Specialty Chemicals
Advanced Chemistry.
Flexible Solutions.
VANFLEX® supplies high-performance specialty chemicals across rubber, plastics, lubricants, C.A.S.E. and fine chemical markets worldwide.
500+
Product grades
4
Market divisions
30+
Green alternatives
Product Portfolio
Four divisions.
One trusted partner.
Select a division to explore our complete product catalog — including CAS references and technical descriptions.
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Division 01
Rubber & Plastics
Accelerators · Antidegradants · Peroxides · Masterbatch
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Division 02
C.A.S.E.
Coatings · Adhesives · Sealants · Flame Retardants
⚙️
Division 03
Lubricant Additives
Antioxidants · MoDTC · Antiwear · Corrosion Inhibitors
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Division 04
Fine Intermediates
DPA derivatives · Phenolics · Bromine · Pharma
01🧪
Rubber & Plastics
NR · SBR · EPDM · NBR · CR · FKM · PE · PP
| Product | Chemical Class (CAS) | Description & Application |
|---|---|---|
| MBT | 2-Mercaptobenzothiazole (149-30-4) | Fast primary accelerator with acidic character. Excellent aging properties. Used alone or boosted with DPG, TMTM, TMTD. Suitable for NR, SBR, NBR, EPDM — tire, footwear, industrial rubber. |
| MBTS | Dibenzothiazyl Disulfide (120-78-5) | Semi-fast primary with better scorch safety than MBT. Flat cure in NR. Non-discoloring and non-staining — recommended for rubber-to-metal bonds and halogenated butyl compounds. |
| ZMBT | Zinc 2-Mercaptobenzothiazole (155-04-4) | Semi-ultra fast. Zinc salt of MBT — widely used as latex primary. High modulus and good aging resistance. Does not decompose without sulfur. Effective in IIR and EPDM as secondary. |
| NaMBT | Sodium 2-Mercaptobenzothiazole (2492-26-4) | Water-soluble sodium salt of MBT. Used in aqueous latex systems and as industrial preservative in metalworking fluids, paints and adhesives. |
| Refined MBTS | High-purity Dibenzothiazyl Disulfide (120-78-5) | Premium-grade MBTS with enhanced purity (>99%). Reduced impurity profile for sensitive applications requiring tight cure consistency. Medical, food contact and high-spec automotive rubber articles. |
| Product | Chemical Class (CAS) | Description & Application |
|---|---|---|
| CBS | N-Cyclohexylbenzothiazyl Sulfenamide (95-33-0) | Delayed-action primary accelerator with fast cure rate after scorch period. Industry workhorse for tire carcass, belts and hoses. Excellent tensile and resilience. NR, SBR, IR, NBR, BR. |
| TBBS | N-t-Butylbenzothiazyl Sulfenamide (95-31-8) | Longer scorch than CBS with even faster cure rate. Standard for radial tire carcass and OEM rubber. Allows higher proportion of synthetic rubber. Low toxicity and high efficiency. |
| MOR | 2-(Morpholinothio)benzothiazole (102-77-2) | Good processing safety. Similar to CBS with better scorch. Suitable for NR, SBR, NBR and EPDM in belts, hoses and industrial rubber. |
| DCBS | N,N-Dicyclohexylbenzothiazyl Sulfenamide (4979-32-2) | Very long scorch — ideal for thick-section goods and OTR tires. High processing safety at elevated mixing temperatures. NR and NR/SBR blends. |
| TBSI | N-t-Butyl-2-benzothiazyl Sulfenamide (3741-80-8) | Outstanding anti-reversion performance. Key for steel cord adhesion in TBR and OTR tire belt compounds. Superior dynamic fatigue vs. standard sulfenamides. |
| OTOS | 4-[(Morpholinothio)thioxomethyl]morpholine (13752-51-7) | Delayed-action vulcanizing agent and accelerator. Better scorch than MBT/MBTS. Critical temperature 149°C. Used in NR, SBR, EPDM as delayed primary or vulcanizing agent. |
| Product | Chemical Class (CAS) | Description & Application |
|---|---|---|
| TMTD | Tetramethylthiuram Disulfide (137-26-8) | Classic ultra-fast and sulfur donor. Fast vulcanization at low temperatures. Primary in EV/sulfurless cure, secondary booster with sulfenamides. Standard in latex foam, medical gloves and cable insulation. |
| TETD | Tetraethylthiuram Disulfide (97-77-8) | Similar to TMTD with slightly lower activity. Sulfur donor for EV cure. Lower toxicity profile. Used as secondary booster in NR, SBR, EPDM and EV cure formulations. |
| TBTD | Tetrabutylthiuram Disulfide (1634-02-2) | Lower bloom than TMTD due to higher MW. Sulfur donor. Secondary accelerator in NR, SBR, EPDM where surface bloom is a concern. |
| TBzTD 🌿 | Tetrabenzylthiuram Disulfide (10591-85-2) | Nitrosamine-free TMTD alternative. Generated dibenzylnitrosamine is non-carcinogenic. Fast curing primary/secondary in NR, SBR, NBR. Longer scorch than TMTD. Drop-in for EV systems. REACH registered. |
| TiBTD 🌿 | Tetraisobutylthiuram Disulfide (3064-73-1) | Nitrosamine-free ultra accelerator. Substitute for TMTD, TETD and TMTM. Excellent scorch safety with high cure activity. NR, SBR, EPDM and low-nitrosamine formulations. |
| TMTM | Tetramethylthiuram Monosulfide (97-74-5) | Monosulfide — no sulfur donor function. Very good processing safety vs. other thiurams. Secondary booster for sulfenamides. Excellent in CR with DPG and sulfur. Critical temperature 121°C. |
| DPTT | Dipentamethylenethiuram Tetrasulfide (971-15-3) | Polysulfidic — accelerator and sulfur donor. Semi-EV and EV cure systems. Good heat aging resistance. NR and SR at elevated service temperatures. |
| TDEC | Tellurium Diethyldithiocarbamate (20941-65-5) | Unique tellurium-based ultra-fast. Better efficiency than TMTD and ZDMC at lower dosage. NR, SBR, IIR, NBR, EPDM — especially latex primary applications. |
| DDTS (MPTD) | Dimethyl Diphenylthiuram Disulfide (53880-86-7) | Delayed-action asymmetric thiuram. Non-staining, non-discoloring. Secondary accelerator with TMTD/TMTM or Zn-DTC to improve processing safety. Suitable for light-colored products, fast molding and fabric skim coating. |
| TiBTM 🌿 | Diisobutylthiuram Monosulfide (204376-01-2) | Nitrosamine-free TMTM replacement. Multifunctional — secondary sulfenamide accelerator + scorch retarder. No carcinogenic nitrosamine generation. NR, IR, SBR, BR, NBR, EPDM. Better reversion resistance than TMTM. |
| TE (EPTD) 🌿 | Ethylene Propylene Thiuram Disulfide | Nitrosamine-free thiuram grade. Low-nitrosamine secondary accelerator providing thiuram cure activity with reduced occupational health risk. NR and SR systems. |
| TOTD 🌿 | Tetraoctylthiuram Disulfide (689-02-1) | High MW thiuram — very low volatility and bloom tendency. Non-staining. Green thiuram for light-colored and food-contact rubber. NR, SBR, EPDM — seals, gaskets, food-grade articles. |
| DDTS 🌿 | Dimethyl Diphenylthiuram Disulfide — low-nitrosamine grade | green-grade DDTS with no nitrosamine generation. No direct substitutable product — used as standalone secondary accelerator in NR and SR where clean processing is required. |
| TOTD | Tetraoctylthiuram Disulfide (1629-58-9) | Very high MW thiuram. Ultra-low volatility and low bloom tendency. Secondary accelerator and sulfur donor in NR and SR. Suited for light-colored and thick-section compounds where surface bloom is critical. |
| TE 🌿 | Tetraethylthiuram Disulfide variant — green-grade grade | Nitrosamine-free TMTD alternative (green-grade). Solves rubber scorch problems associated with TMTD. Good compatibility with rubber, no bloom tendency. Secondary accelerator and sulfur donor for EV cure systems. |
| TiBTM 🌿 | Tetraisobutylthiuram Monosulfide (CAS 3064-72-0) | Monosulfide version of TiBTD — no sulfur donor function. Nitrosamine-free alternative to TMTM. Excellent processing safety. Secondary booster for sulfenamide systems in NR, SR and latex. |
| Product | Chemical Class (CAS) | Description & Application |
|---|---|---|
| ZDMC | Zinc Dimethyldithiocarbamate (137-30-4) | Ultra-fast DTC. Primary in latex foam, coir, medical gloves. Secondary booster in dry rubber for fast cycles. Non-staining. Active without sulfur in IIR and EPDM. |
| ZDEC | Zinc Diethyldithiocarbamate (14324-55-1) | Ultra-fast for latex and dry rubber. Mild antioxidant activity. Good scorch for a DTC. Latex primary and dry rubber secondary in footwear, foam and industrial goods. |
| ZDBC | Zinc Dibutyldithiocarbamate (136-23-2) | Best scorch resistance in Zn-DTC series due to bulky butyl groups. Ultra-fast latex primary; secondary booster. Non-staining. Footwear, gaskets, hoses, food-contact rubber. |
| ZDiBC (IBZ) 🌿 | Zinc Diisobutyldithiocarbamate (36190-62-2) | Liquid DTC for easy incorporation. Low blooming tendency. Secondary in NR, SBR, EPDM where powder handling is problematic. |
| ZBEC 🌿 | Zinc Dibenzyldithiocarbamate (14726-36-4) | Nitrosamine-free DTC. Longest scorch safety in DTC class. High hydrolysis resistance; low rubber solubility prevents blooming. Recognized low nitrosamine potential. NR, IIR, SBR, EPDM — sheeting, extrusions and latex. REACH registered. |
| ZEPC | Zinc Ethylphenyldithiocarbamate (14634-93-6) | Non-blooming, non-staining DTC. Light-colored EPDM and NBR where surface appearance is critical. Secondary with good processing safety. |
| ZPD | Zinc Pentamethylenedithiocarbamate (13878-54-1) | Cyclic DTC — ultra-fast. Latex primary and dry rubber secondary. Non-staining. Lower volatility than open-chain zinc DTCs due to cyclic structure. |
| ZPDC | Zinc Pentyldithiocarbamate | Zinc DTC with pentyl chain. Ultra-fast latex and dry rubber accelerator. Non-staining. Suitable for foam, dipped goods and coatings. |
| UH-301 🌿 | green-grade Specialty Green DTC | green-grade nitrosamine-free DTC accelerator. Developed as a green alternative for latex and dry rubber systems. Non-blooming, non-staining. |
| ZDTP 🌿 | Zinc Dialkyldithiophosphate (68649-42-3) | Dithiophosphate-type accelerator. Non-blooming; improves reversion resistance in NR. Secondary accelerator for EPDM thiazoles and sulfenamides. Low-nitrosamine profile. |
| PPD (piperidinium) | Piperidinium Pentamethylenedithiocarbamate (98-77-1) | Very fast cyclic DTC salt. Latex primary in foam, carpet backing and gloves. High activity at ambient and low cure temperatures. Non-blooming in latex. |
| NDBC | Nickel Dibutyldithiocarbamate (13927-77-0) | Nickel DTC — copper poisoning inhibitor, antiozonant synergist and antioxidant. Non-staining. Corrosion inhibitor. Rubber articles with metal contact: mining belts, wire hoses, cable insulation. |
| CDMC | Copper Dimethyldithiocarbamate (137-29-1) | Specialty copper DTC. Fungicide, biocide and corrosion inhibitor. Antioxidant function in specialty applications. |
| SBEC | Sodium Dibenzyldithiocarbamate (55310-46-8) | Water-soluble sodium salt. Non-staining secondary in aqueous latex. Fast cure without blooming. Stable in alkaline latex conditions. |
| SDBC | Sodium Dibutyldithiocarbamate (136-30-1) | Water-soluble DTC for aqueous latex. Ultra-fast cure in water-based systems. Compatible with latex stabilizers in foam, dipped goods and coatings. |
| BiDD | Bismuth Dimethyldithiocarbamate (21260-46-8) | Bismuth-based specialty DTC. Non-staining. Suitable for food-contact and medical-grade rubber where zinc-free systems are required. |
| MC (UH) 🌿 | Methyl DTC — green-grade green grade | green-grade low-nitrosamine DTC accelerator. Non-blooming, non-staining. For latex and dry rubber systems requiring lower toxicity. Green alternative to ZDMC. |
| ZBPD 🌿 | Zinc Dialkyldithiophosphate (6990-43-8) | Low-nitrosamine EPDM accelerator. No carcinogenic nitrosamine formation. Automotive sealing strips and profiles with strict occupational health requirements. |
| ZDTP (ZEHBP) 🌿 | Zinc Diethylhexyl Dithiophosphate | Dithiophosphate-type DTC accelerator. Non-amine based structure — for non-nitrite produced sulfide cure systems. ZDBC replacement with improved safety profile. EPDM and NBR specialty cure. |
| UH-301 🌿 | green-grade Proprietary Green DTC (ZDBC replacement) | Novel patented nitrosamine-free DTC-type accelerator (green-grade). Designed to replace ZDBC in latex, EPDM and NBR systems. Non-polluting, non-toxic, not easy to produce nitrosamines. REACH pre-registered. |
| DTDC 🌿 | Dithiocarbamate Copper Inhibitor Vulcanizer | green-grade vulcanizing agent that prevents copper pollution in rubber compounds. No amine-based structure. Used in copper-contact rubber applications such as wire-reinforced hoses, cables and mining belts where copper poisoning is a concern. |
| ZDTP (ZEHBP) 🌿 | Zinc Diethylhexyl Dithiophosphate | Dithiophosphate-type accelerator. Nitrosamine-free, non-blooming. EPDM and NBR specialty cure systems. Used as secondary accelerator with improved safety and environmental profile. |
| UH-301 🌿 | green-grade Proprietary Green DTC Accelerator | Novel patented nitrosamine-free DTC-type accelerator developed by green-grade. Designed to replace conventional zinc DTC accelerators in latex, EPDM and NBR systems with superior safety and environmental compliance. REACH pre-registered. |
| Product | Chemical Class (CAS) | Description & Application |
|---|---|---|
| DPG | Diphenylguanidine (102-06-7) | Secondary activator essential in silica-filled compounds — activates silane coupling agents. Primary accelerator in CR systems. High state of cure with ZnO/stearic acid in NR, SBR, IIR. |
| DOTG | Di-o-tolylguanidine (97-39-2) | Slower and less basic than DPG. High state of cure in NR, SBR, NBR. Used in CR with ETU or DETU. Less discoloring than DPG. Suitable for thick-section goods. |
| ETU | Ethylene Thiourea (96-45-7) | Primary accelerator for CR, CIIR and ECO rubber. Fast, efficient vulcanization above 140°C. Standard CR cure in construction sealants, automotive and wire & cable. |
| MTT 🌿 | 3-Methylthiazolidine-2-thione (1908-87-8) | Nitrosamine-free ETU replacement. Equivalent cure in CR without carcinogenic byproducts. Drop-in replacement at similar dosage levels. |
| PUR 🌿 | Trimethylthiourea — ETU-free CR accelerator | Safer non-carcinogenic ETU alternative. Good scorch safety and cure state for CR sealants, hoses and cable jackets. |
| DETU | Diethylthiourea (105-55-5) | Secondary accelerator for CR. Non-staining, disperses easily. Used with ETU or standalone in specialized CR formulations requiring controlled cure rate. |
| DPTU | Diphenylthiourea (102-08-9) | Secondary accelerator and antioxidant in NR and SR. Non-staining, odorless. Also antiozonant for NR/SBR and corrosion inhibitor. Light-colored CR compounds. |
| DBTU | Dibutylthiourea (109-46-6) | Specialty thiourea for CR vulcanization. Low toxicity. CR cable jackets and industrial rubber profiles. Can replace ETU in specific formulations. |
| Product | Chemical Class (CAS) | Description & Application |
|---|---|---|
| DIXP | Diisopropyl Xanthogen Polysulfide (137398-54-0) | Polysulfidic xanthate — accelerator and sulfur donor. Low compression set in EV cure systems. Controlled sulfur release in specialty crosslinking applications. |
| ZIX (MC) 🌿 | Zinc Isopropylxanthate (1000-90-4) | Xanthate ultra-fast accelerator also designated MC (green-grade). Safety accelerator — no carcinogenic substance. Extremely fast at room temperature for cold-cure latex applications. No direct substitutable product needed. |
| DIP 🌿 | Diisopropyl Xanthate — green grade | green-grade green xanthate accelerator. Not easy to produce nitrosamines. Ultra-fast at ambient temperatures for latex cold-cure. No substitutable product designation. |
| UH-100 🌿 | green-grade Proprietary Xanthate Grade | green-grade green xanthate accelerator. Not easy to produce nitrosamines. Ultra-fast latex and specialty cold-cure applications. No direct substitutable product. |
| Product | Chemical Class (CAS) | Description & Application |
|---|---|---|
| PPD Antiozonants — staining | ||
| 6PPD | N-(1,3-Dimethylbutyl)-N′-phenyl-PPD (793-24-8) | Industry-standard antiozonant. Superior ozone, flex-cracking, dynamic fatigue and heat aging protection. Fast migrating — ensures surface protection. Tire sidewalls, belts and dynamic rubber articles. |
| IPPD | N-Isopropyl-N′-phenyl-PPD (101-72-4) | Fast migration rate. Excellent dynamic ozone, flex-cracking and oxidative heat aging protection. Tire carcass, conveyor belts and high-dynamic industrial rubber. |
| DPPD | N,N′-Diphenyl-PPD (74-31-7) | Low volatility and migration. Good thermal oxidation and moderate ozone resistance. Static seals, gaskets and industrial rubber requiring long-term heat aging resistance. |
| Mixed Diaryl PPD | Mixed Diaryl PPD isomers (blend) | Broad-spectrum antiozonant. Lower bloom than single-isomer PPDs. Tire and industrial rubber with balanced protection and minimal surface bloom. |
| Hydroquinolines — staining | ||
| TMQ | Polymerized 2,2,4-Trimethyl-1,2-dihydroquinoline (26780-96-1) | Excellent thermal oxidation protection. Long-term heat aging in NR, SBR and blends. Standard in tire compounds, belts and automotive rubber. Used synergistically with PPD antiozonants. |
| Benzimidazoles — non-staining | ||
| MB | 2-Mercaptobenzimidazole (583-39-1) | Non-staining. Outstanding protection against heat, steam and copper-initiated oxidation. Essential in latex, medical gloves, baby products and light-colored goods. Steam-cured articles. |
| ZMB | Zinc 2-Mercaptobenzimidazole (3030-80-6) | Non-staining, non-blooming zinc salt. Heat and oxidation protection plus copper deactivation. Antiozonant synergist with PPD types in white and light-colored compounds. |
| MMB | 4-/5-Methyl-2-Mercaptobenzimidazole (53988-10-6) | Better solubility than MB — improved dispersion. Non-staining, non-blooming. Light-colored NR and SR compounds, latex goods. |
| ZMMB (MMBZ) | Zinc 4-/5-Methyl-MBI (61617-00-3) | Zinc salt of MMB. Non-staining, non-blooming. Copper deactivation + AO. Synergistic with PPD antiozonants. Light-colored automotive seals and profiles. |
| Nickel DTC — non-staining | ||
| NDBC | Nickel Dibutyldithiocarbamate (13927-77-0) | Copper-poisoning inhibitor, antiozonant synergist and antioxidant. Non-staining. Rubber in metal contact: mining belts, wire-reinforced hoses, cable insulation. |
| Product | Chemical Class (CAS) | Description & Application |
|---|---|---|
| Organic Peroxides | ||
| DCP | Dicumyl Peroxide (80-43-3) | General purpose free-radical crosslinker. EPDM, silicone, CPE, EVA and wire & cable insulation. Carbon-carbon crosslinks with excellent heat aging resistance. |
| BIPB | 1,3-Bis(t-butylperoxyisopropyl)benzene (25155-25-3) | Low-odor, low-volatility diaryl peroxide. EVA solar encapsulant, EPDM and cable crosslinking. ~2/3 dosage of DCP for equivalent crosslink density. Perkadox 14 equivalent. |
| DHBP | 2,5-Bis(t-butylperoxy)-2,5-dimethylhexane (78-63-7) | EPDM crosslinking, PEX pipe and PP vis-breaking. High decomposition temperature. Low odor byproducts. Luperox 101 equivalent. |
| DTBP | Di-t-Butyl Peroxide (110-05-4) | PP vis-breaking, XLPE wire insulation and high-temperature crosslinking. High thermal stability. Excellent PP melt-flow modification. |
| DTAP | Di-t-Amyl Peroxide (10508-09-5) | Similar to DTBP with lower decomposition temperature. PP vis-breaking and polyolefin film crosslinking. Fewer odor byproducts than DTBP. |
| BPO | Dibenzoyl Peroxide (94-36-0) | HTV silicone rubber cure. Acrylic/vinyl polymerization initiator. Low decomposition temperature. |
| TBPB | t-Butyl Peroxybenzoate (614-45-9) | Thermoset cure and unsaturated polyester resin initiation. Good balance between scorch safety and cure speed for polyester molding. |
| TBHP | t-Butyl Hydroperoxide (75-91-2) | Radical initiator for emulsion polymerization and specialty cure. Combined with reducing agents for ambient-temperature vinyl and acrylic cure. |
| MEKP | Methyl Ethyl Ketone Peroxide (1338-23-4) | Standard initiator for ambient-temperature cure of unsaturated polyester, vinyl esters and gelcoats. FRP, boat hulls, tanks and construction composites. |
| CUHP | Cumyl Hydroperoxide (80-15-9) | High-purity hydroperoxide initiator. High-selectivity oxidation and specialty polymerization. Used in bisphenol A production. |
| Peroxide Co-agents | ||
| TAIC | Triallyl Isocyanurate (1025-15-6) | Increases crosslink density and efficiency with peroxides. Essential in radiation crosslinking of wire & cable and solar EVA. Reduces peroxide dosage. REACH registered. |
| TMAIC | Trimethallyl Isocyanurate (6291-01-6) | Higher thermal stability than TAIC. Lower vapor pressure. FKM peroxide crosslinking for automotive fuel hoses and seals in aggressive media. |
| TAC | Triallyl Cyanurate (101-37-1) | Trifunctional co-agent improving strength, rigidity and thermostability. High-performance unsaturated polyester resins and glass fiber composites. |
| TMPTMA | Trimethylolpropane Trimethacrylate (3290-92-4) | Wire & cable co-agent. Improves electrical insulation, abrasion and heat resistance of crosslinked products. |
| ZDA | Zinc Diacrylate (14643-87-9) | Ionic crosslinker forming zinc carboxylate clusters. HNBR/NBR golf ball cores, seals and high-hardness automotive parts. |
| ZDMA | Zinc Dimethacrylate (13189-00-9) | Methacrylate ionic crosslinker. Very high modulus and tensile strength in HNBR, NBR. Engineering elastomers requiring extreme physical properties. |
| HVA-2 | N,N′-m-Phenylenedimaleimide (3006-93-7) | Bismaleimide co-agent and FKM/ACM curative. Anti-reversion and improved heat aging. Essential for FKM and ACM seals and hose applications. |
| PDM 🌿 | N,N′-m-Phenylenedimaleimide — green-grade vulcanizer grade (3006-93-7) | green-grade vulcanizing agent grade of PDM. Not easy to produce nitrosamines. No substitutable product — unique bismaleimide crosslinker providing reversion resistance and anti-blooming performance. |
| Product | Chemical Class (CAS) | Description & Application |
|---|---|---|
| IS-HS(1) / IS-HS(2) | Insoluble Sulfur — high stability (9035-99-8) | High thermal stability grades preventing migration and bloom in tire compounds. Critical for steel cord adhesion and skim coat in TBR, PCR and OTR tires. Remains stable above 100°C during mixing. |
| IS-HD / IS(1) / IS(2) | Insoluble Sulfur — standard & HD (9035-99-8) | Standard and high-dispersion grades for tire production. HD grade provides better mixing dispersion. Prevents sulfur migration to compound surface during storage and processing. |
| DTDM | 4,4′-Dithiodimorpholine (103-34-4) | Sulfur donor and vulcanizing agent for EV and semi-EV cure. Releases sulfur at cure temperature providing predominantly monosulfidic crosslinks. Excellent heat aging and low compression set. |
| DTDC (CLD) 🌿 | Dithiodicaprolactam (17881-17-3) | Specialty sulfurless vulcanizing agent for CR (polychloroprene), ACM (polyacrylate) and ECO rubber. Nitrosamine-free alternative for CR cure systems requiring low toxicity. Used without ZnO in CR formulations. |
| ZBS | Zinc Benzenesulfinate Dihydrate (24308-84-7) | Specialty sulfurless vulcanizing agent. Used where conventional sulfur or peroxide systems are unsuitable. Unique performance in specialty rubber formulations. |
| TST | 2,4,6-Trimercapto-S-triazine (17766-26-6) | Triazine co-crosslinker for rubber and wire & cable. Heavy metal scavenger (Pb, Cd, Hg, Cu). Adhesion promoter in metal-filled and conductive rubber compounds. |
| DBD | Dibenzamido Diphenyl Disulfide (135-57-9) | NR peptizer — cleaves polymer chains oxidatively reducing mixing viscosity. Processing aid that reduces energy consumption in NR mastication and improves compound flow. |
| DIXP | Diisopropyl Xanthogen Polysulfide (137398-54-0) | Polysulfidic xanthate compound acting as sulfur donor and accelerator. Low compression set in EV cure systems. Controlled sulfur release in specialty crosslinking. |
| Product | Chemical Class (CAS) | Description & Application |
|---|---|---|
| Hindered Phenolic — Primary AO | ||
| AO-1010 | Pentaerythrityl tetrakis[3-(3,5-di-t-butyl-4-hydroxyphenyl)propionate] (6683-19-8) | Most versatile hindered phenol primary AO. Excellent in PE, PP, POM, PA, PET, EVA, PU, SBR and engineering resins. Tetrafunctional — very low extractability. FDA-compliant grades available. Industry standard for polyolefin stabilization. |
| AO-1024 | Hindered Phenol + Metal Deactivator (32687-78-8) | Primary AO with metal deactivation. Deactivates Cu ions — essential for wire & cable with copper conductors. Hot-melt adhesives and engineering plastics in metal contact. |
| AO-1076 | Octadecyl 3-(3,5-di-t-butyl-4-hydroxyphenyl)propionate (2082-79-3) | Low-volatility monofunctional hindered phenol. FDA 21 CFR compliant for food contact. PE, PP, PS and food packaging materials. Low color contribution. |
| AO-1330 | 1,3,5-Trimethyl-2,4,6-tris[3,5-di-t-butyl-4-hydroxybenzyl]benzene (1709-70-2) | Trifunctional high-MW, very low volatility. Excellent dielectric properties — ideal for PE/PP cable insulation. High-temperature polyolefin processing. |
| Secondary AO — Phosphite & Thioester | ||
| B215 | AO-1010 + Phosphite blend (3:1) | Pre-blended primary + secondary AO package. Process stabilizer for PP, PE, polyolefin blends. Prevents melt discoloration. Standard for automotive and industrial plastic parts. |
| B225 | AO-1010 + Phosphite blend (1:1) | Equal ratio blend providing balanced processing and long-term stability. PP, PE films and molded parts. Single addition simplifies formulation. |
| DSTDP | Distearyl Thiodipropionate (693-36-7) | Thioester secondary AO. Decomposes hydroperoxides synergistically with phenolics. Long-term heat aging stabilizer in PP, PE, EVA and elastomers at elevated temperatures. |
| DLTDP | Dilauryl Thiodipropionate (123-28-4) | Lower MW thioester secondary AO. Better compatibility in thin films. Standard in polyolefin processing stabilization. |
| Light Stabilizers | ||
| HALS 22/28/55/77/92 | HALS — Hindered Amine Light Stabilizers (various MW) | Range of HALS grades for long-term UV stabilization. Outdoor coatings, agricultural films, PU and greenhouse sheeting. Cyclic radical scavenging regenerates stabilizer — exceptional durability. |
| UV Absorber 1022/1031/1050 | UV Absorbers — benzophenone/benzotriazole | Convert UV radiation (290–380nm) to heat. Protect candles, waxes, PVC, SBR, EVA and coatings from yellowing and degradation. Combined with HALS for optimal UV protection. |
| UV Absorber 3280/3290 | UV Absorbers — benzotriazole (290–400nm) | Broad-spectrum benzotriazole UV absorbers. Automotive PU finishes, powder coatings, polycarbonate and acrylic resins requiring demanding outdoor UV protection. |
| Product | Type | Description & Application |
|---|---|---|
| Processing Aids & Activators | ||
| Stearic Acid | Fatty Acid Activator | Co-activator with ZnO forming zinc stearate that activates sulfur vulcanization. Internal lubricant improving mold flow and release. Standard 1–3 phr in virtually all sulfur-cured compounds. |
| Oleic Acid | Fatty Acid Processing Aid | Better plasticizing and processing aid function than stearic acid. Improves silica dispersion and reduces compound viscosity in silica-filled compounds. |
| PVI | Scorch Retarder (17796-82-6) | N-Cyclohexylthiophthalimide. Prevents premature vulcanization without affecting cure rate or state. Highly effective with sulfenamide accelerators in NR/SBR. Improves processing safety by 30%+ at 0.05–0.15 phr. |
| ZnO | Metal Oxide Activator | Primary activator for sulfur vulcanization — forms zinc complexes activating sulfenamide and thiuram accelerators. Standard 3–5 phr in conventional cure. Also heat stabilizer in PVC. |
| MgO | Metal Oxide Co-activator | Essential co-activator and acid acceptor in CR and ECO vulcanization. Neutralizes HCl released during CR cure. Standard 4:1 MgO:ZnO in CR cure systems. |
| SP-1044/1045/1055/1068 | Alkylphenol Formaldehyde Resin | Heat-reactive phenolic tackifier resins. Green tack for tire assembly, metal-to-rubber adhesion and IIR reinforcement. SP-1055/1068 as methylene donors in resorcinol adhesion systems. |
| Resorcinol-80 | Adhesion Promoter (108-46-3) | Predispersed resorcinol masterbatch. Rubber-to-metal and rubber-to-textile cord bonding. Reacts with HMMM or SP-1055 to form bonding resin in-situ. Tire belt and carcass skim compounds. |
| Si69-50 | Bifunctional Silane (211519-85-6) | Bis(triethoxysilylpropyl)tetrasulfide masterbatch. Chemically bonds precipitated silica to rubber polymer. Essential in green tire silica-filled tread for rolling resistance reduction. |
| Predispersed Masterbatch — Accelerators (Actimix) | ||
| MBT-80 | 80% MBT / EPDM binder | Dust-free polymer-bound MBT. Tack-free, accurate weighing, improved dispersion. IATF16949/REACH certified. Shoe outsoles, belts and industrial rubber. |
| MBTS-75 | 75% MBTS / EPDM binder | Predispersed MBTS for dust-free compounding. Shoes, belts and extrusion compounds. |
| CBS-80 | 80% CBS / EPDM binder | Excellent dispersion in automotive sealing, tire and technical rubber. Filtered to 100μm — prevents filter blockage in extrusion and injection molding. |
| TBBS-75 | 75% TBBS / EPDM binder | Tire carcass, technical rubber and automotive sealing. Consistent activity vs. powder reduces dosage variation. |
| DCBS-80 | 80% DCBS / EPDM binder | OTR tire tread and thick-section compounds requiring very long scorch at elevated temperatures. |
| DPG-80 | 80% DPG / EPDM binder | Silica-filled compounds and CR cure systems. Consistent DPG dispersion critical for silane coupling activation in green tire. |
| TMTD-80 | 80% TMTD / EPDM binder | Dust-free TMTD for EV cure. Consistent dosing eliminates overacceleration risk from powder weighing errors. |
| TBzTD-70 🌿 | 70% TBzTD / EPDM binder | Polymer-bound nitrosamine-free TMTD replacement. Drop-in for EV cure in medical and food-contact compounds. Full REACH registration. |
| TiBTD-80 🌿 | 80% TiBTD / EPDM binder | Nitrosamine-free ultra accelerator masterbatch. Substitute for TMTD/TETD/TMTM. Automotive sealing strips with strict emissions requirements. |
| ZBEC-70 🌿 | 70% ZBEC / EPDM binder | Nitrosamine-free DTC masterbatch. Superior scorch vs. ZDBC/ZDEC. Primary choice for EPDM automotive sealing strip compounds. |
| TDEC-75 | 75% TDEC / EPDM binder | Predispersed tellurium DTC ultra-fast accelerator for latex-type dry rubber compounds. |
| ETU-75 | 75% ETU / NBR binder | NBR binder for CR compound compatibility. Dust-free SVHC compound handling. CR seals, hoses and cable jackets. |
| DETU-80 | 80% DETU / EPDM binder | Predispersed CR secondary accelerator for polychloroprene products. |
| Predispersed Masterbatch — Vulcanizing Agents & Retarders (Actimix) | ||
| S-80 | 80% Sulfur / EPDM binder | Eliminates sulfur dusting. Consistent dispersion prevents localized overcure. Standard in automotive sealing profile and technical rubber compounding. |
| IS90-65 | 65% IS-90 / EPDM binder | Prevents insoluble sulfur migration and bloom in tire steel cord compounds. Uniform adhesion in belt and carcass skim compounds. |
| IS60-75 | 75% IS-60 / EPDM binder | Standard insoluble sulfur masterbatch for general tire compound production. |
| DTDM-80 | 80% DTDM / EPDM binder | Dust-free sulfur donor for EV cure. Consistent dosing critical for reproducible EV crosslink networks. |
| HMDC-70 | 70% Hexamethylene Diamine Carbamate (143-06-6) | FKM and ACM vulcanizing agent masterbatch for automotive seals and fuel system components. |
| BCS-55/IIR | Complete phenolic resin cure / IIR binder | Pre-blended complete vulcanizing package for IIR bladder and curing bag production. Consistent reproducible IIR cure. |
| CTP-80 | 80% CTP/PVI / EPDM binder | Predispersed scorch retarder. Consistent very low dosage addition (0.05–0.3 phr) without cure interference. |
| Retarder E-80 🌿 | 80% Retarder E/C / EPDM binder | Nitrosamine-free CTP replacement. Full REACH registration. EPDM automotive weather strips where CTP is being phased out. |
| ZBPD-S 🌿 | Zinc Dialkyldithiophosphate / EPDM MB | Low-nitrosamine EPDM accelerator masterbatch for automotive EPDM sealing with strict emissions and occupational health requirements. |
02🎨
C.A.S.E.
Coatings · Adhesives · Sealants · Elastomers · FR Plastics
| Product | Chemical Class (CAS) | Description & Application |
|---|---|---|
| DCP · BIPB · DHBP · DTAP · BPO | Organic Peroxide (various) | Organic peroxides for crosslinking EPDM roofing membranes, PP vis-breaking, hot-melt adhesive and elastomeric sealant production. Selection based on processing temperature, odor requirements and byproduct profile. |
| ZBEC · ZDBC · ZDEC · TMTD · TBzTD | DTC / Thiuram Accelerator | Accelerators for water-based latex adhesive crosslinking and elastomeric sealant cure. TBzTD chosen where nitrosamine-free processing is required. |
| MBT · MBTS · ETU | Thiazole / Thiourea Accelerator | Primary accelerators for CR and ECO elastomeric sealants and coatings. ETU provides fast cure in CR construction sealants, roof coatings and cable sheathing. |
| TAIC · TAC · HVA-2 · ZDA · ZnO | Co-agent / Activator | Co-crosslinking agents boosting cohesive strength. HVA-2 essential in FKM-based high-temperature sealants. ZDA provides ionic crosslinking in specialty elastomeric coatings. |
| Product | Chemical Class (CAS) | Description & Application |
|---|---|---|
| AO-1010 | Hindered Phenol Primary AO (6683-19-8) | Primary AO for PU, SBR, EVA and PE-based adhesives and coatings. Prevents oxidative degradation during hot processing and service life. FDA-compliant grades for food packaging adhesives. |
| AO-1024 | Hindered Phenol + Metal Deactivator (32687-78-8) | Dual AO + Cu deactivator. Critical in wire & cable compounds and hot-melt adhesives in metal contact. |
| AO-1076 | Hindered Phenol Primary AO (2082-79-3) | Low-volatility hindered phenol. FDA compliant for food packaging adhesives and sealants. Low color, minimal appearance impact. |
| AO-1330 | Trifunctional Hindered Phenol (1709-70-2) | Excellent dielectric properties for PE/PP cable insulation. Very low volatility — effective in high-temperature cable extrusion. |
| B215 · B225 · DSTDP · DLTDP | Phosphite / Thioester Secondary AO | Secondary AOs providing process stability and long-term protection in combination with phenolic primaries for coatings and adhesives. |
| MB · MMB · ZMMB · NDBC | Benzimidazole / Nickel DTC (non-staining) | Non-staining AO for light-colored coatings, clear sealants and transparent latex adhesives. NDBC adds copper deactivation for metal substrate applications. |
| HALS 22/28/55/77/92 | HALS (hindered amine, various) | Long-term UV stabilization for outdoor coatings, architectural sealants and PU topcoats. Cyclic radical scavenging mechanism — exceptional durability in UV-exposed applications. |
| UV Absorber 1022/1031/1050 | UV Absorber — benzophenone/BZT | Candles, waxes, PVC plastisols, SBR and EVA coatings. Convert UV (290–380nm) to heat. Enhance color stability and surface protection. |
| UV Absorber 3280/3290 | UV Absorber — benzotriazole (290–400nm) | High-performance broad-spectrum UV absorber. Automotive clearcoats and industrial topcoats requiring long-term UV protection. |
| Product | Type | Description & Application |
|---|---|---|
| Hard & Soft Kaolin Clay | Mineral Filler (aluminosilicate) | Reinforcing and extending filler for adhesives and elastomeric coatings. Hard: reinforcement; Soft: opacifier and rheology modifier. Improves barrier properties and cost-efficiency of sealant formulations. |
| Pyrophyllite | Mineral Filler (phyllosilicate) | Inert platy mineral for caulking compounds, crack fillers and architectural coatings. Chemical resistance and dimensional stability. Low oil absorption maintains sealant flexibility at high loading. |
| Wollastonite (VANSIL WG) | Mineral Filler (calcium silicate) | Needle-shaped filler reinforcing adhesives, sealants and phenolic compounds. Improves flexural strength, reduces shrinkage and enhances abrasion resistance. |
| SP-1044/1045/1055/1068 | Alkylphenol Formaldehyde Resin | Heat-reactive phenolic tackifier for PSA and hot-melt adhesives. Improve tack, peel strength and high-temperature adhesion. SP-1055/1068 as methylene donors in resorcinol bonding systems. |
| Propylene-Based Elastomer | Propylene-Based Elastomer (ExxonMobil) | Hot-melt adhesive base polymer modification. Improves flexibility, low-temperature performance and adhesion of hot-melt formulations. Hygiene, packaging and label adhesives. |
| Product | Chemical Class (CAS) | Description & Application |
|---|---|---|
| DBDPO (DecaBDE) | Decabromodiphenyl Oxide (1163-19-5) | Most widely used brominated FR. High Br content (83.3%) at relatively low loading. HIPS, ABS, polyolefins, nylon and textile back-coating. Requires Sb₂O₃ synergist for optimal performance. |
| TBPA | Tetrabromophthalic Anhydride (632-79-1) | Bifunctional reactive and additive FR. Copolymerizes into polyester or reacts with polyols in PU — permanent, non-migrating flame retardancy. Also additive FR in epoxy and PU systems. |
| HP3010 / HP7010 | Brominated Polystyrene (88497-56-7) | Polymeric brominated FR with excellent compatibility in styrenic polymers. Non-migrating due to polymeric structure. HP7010 higher MW for superior thermal stability in engineering resins. |
| EBP | Ethylene Bis(pentabromodiphenyl) (84852-53-9) | High MW — low migration. HIPS, ABS and textile where surface bloom of lower MW FR is a problem. Good thermal stability for high-temperature engineering resin processing. |
| DBDPE | Decabromodiphenylethane (84852-53-9) | Drop-in DBDPO replacement with improved thermal stability. Better UV resistance than DBDPO. HIPS, ABS, PE and PP — increasingly preferred as DBDPO restrictions tighten. |
| HBCD | Hexabromocyclododecane (25637-99-4) | Alicyclic additive FR specifically for EPS and XPS rigid foam insulation. Low melt viscosity impact — critical for foam processing. Textile back-coating for upholstered furniture. |
| TBBPA | Tetrabromobisphenol A (79-94-7) | Most widely used reactive brominated FR. Copolymerized into epoxy for PCB laminates (FR-4) — permanent, non-blooming. Also additive FR in ABS and epoxy coating systems. |
| Product | Chemical Class (CAS) | Description & Application |
|---|---|---|
| BDP | Bisphenol A Diphenyl Phosphate (5945-33-5) | Oligomeric phosphate ester FR and plasticizer. PC/ABS and engineering resins — non-halogen UL94-V0 compliance. Low volatility, permanent effect. Also improves impact resistance and melt flow of PC/ABS blends. |
| TCP | Tricresyl Phosphate (1330-78-5) | FR and plasticizer for PVC, NBR and rubber. Also hydraulic fluid base and fire-resistant lubricant additive. FR functionality combined with plasticizing in flexible PVC wire insulation. |
| TEP | Triethyl Phosphate (78-40-4) | Reactive phosphate FR for PU foam. Can be incorporated into polyol chain. Halogen-free. Rigid and flexible PU foam for building insulation and furniture meeting fire safety standards. |
| APP | Ammonium Polyphosphate (68333-79-9) | Intumescent FR component for PP, PE and intumescent coatings. Forms expanded carbonaceous char barrier when exposed to fire. Halogen-free. Used with synergists for intumescent cable coatings and building products. |
| DOPO | 9,10-Dihydro-9-oxa-10-phosphaphenanthrene-10-oxide (35948-25-5) | Reactive phosphorus FR for epoxy systems and PCB laminates. Covalently bonds into polymer backbone — non-migrating, permanent. Halogen-free alternative in electronics and aerospace epoxy. |
| RDP | Resorcinol Diphenyl Phosphate (57583-54-7) | Oligomeric phosphate FR for PC/ABS blends. Very low volatility vs. monomeric phosphates. UL94-V0 in PC/ABS at low loading. Non-blooming and thermally stable in high-temperature processing. |
| Product | Chemical Class (CAS) | Description & Application |
|---|---|---|
| Zinc Borate ZB-467 | Zinc Borate (1332-07-6) | Multifunctional inorganic FR synergist. Enhances halogenated systems, suppresses smoke and reduces afterglow. Wire & cable, rubber and intumescent coatings. Ceramification at high temperatures (Firebrake® ZB). |
| ATH | Aluminium Trihydrate (21645-51-2) | Most widely used inorganic FR. Endothermic decomposition releases water vapor cooling the flame while depositing Al₂O₃ char barrier. Halogen-free, smoke suppressing. EVA cable, rubber and coatings at 40–65% loading. |
| Sb₂O₃ (ATO) | Antimony Trioxide (1309-64-4) | Essential synergist for halogenated FR systems. Forms antimony oxyhalides interrupting flame chain reaction. Standard 3:1 Br/ATO ratio. Wire & cable, textiles and engineering plastics. |
| MH | Magnesium Hydroxide (1309-42-8) | Halogen-free. Decomposes endothermically at higher temperature than ATH (330°C vs 220°C) — suitable for engineering plastics with higher processing temperatures. Cable jacketing and roofing membranes. |
| Chlorinated Paraffin | Chlorinated Paraffin (various chain lengths) | Halogenated FR and plasticizer for PVC compounds. Cost-effective at high loading. Medium and long-chain grades available for regulated applications. |
03⚙️
Lubricant Additives
Engine oils · Gear oils · Greases · Metalworking fluids
| Product | Chemical Name (CAS) | Description & Application |
|---|---|---|
| Alkylated DPA — High Temp AO | Benzenamine,N-phenyl- / 2,4,4-trimethylpentene reaction product (68411-46-1) | Butylated/octylated DPA (ADPA type). Primary high-temp AO for engine, turbine and industrial oils. Excellent oxidation stability above 150°C. REACH registered. Equivalent to Irganox L57 / Naugalube APAN. |
| DND | Dinonylated Diphenylamine (36878-20-3) | High MW dinonyl DPA. Superior high-temp stability and low volatility vs. ADPA. Premium synthetic engine oils, turbine oils and industrial oils at extreme temperatures. REACH registered. |
| DODPA | Bis[4-(1,1,3,3-tetramethylbutyl)phenyl]amine (15721-78-5) | Bis-TMB phenyl amine. Ultra high-temperature stability beyond conventional DPA range. Specialty compressor oils, aviation-type fluids and extreme industrial gear oils. |
| NA-06 | N-[(1,1,3,3-Tetramethylbutyl)phenyl]naphthalen-1-amine (51772-35-1) | PANA-type. Excellent high-temp AO and anti-wear synergist. Turbine, compressor and specialty industrial oils where naphthylamine chemistry provides superior oxidation inhibition. |
| NA-A | Alkylated Phenyl Alpha Naphthylamine | PANA-type for specialty high-temperature applications. Excellent thermal and oxidative stability in synthetic lubricants, aviation oils and high-temp industrial gear oils. |
| Product | Chemical Name (CAS) | Description & Application |
|---|---|---|
| PA135 | 3,5-Bis(1,1-dimethylethyl)-4-hydroxy C7-9 branched alkyl ester (125643-61-0) | Oil-soluble hindered phenol ester. High-temp oxidation protection for industrial and engine lubricants. Irganox L135 direct equivalent. REACH registered. Standalone or combined with aminic AO. |
| PA15S | Thiodiethylenebis[3-(3,5-di-t-butyl-4-hydroxyphenyl)propionate] (41484-35-9) | Thioester hindered phenol. Irganox L57 equivalent. Combines primary phenolic AO with secondary thioester peroxide decomposer. Excellent for lubricants requiring combined mechanisms at elevated temperatures. |
| SU5727 | Sulfurized hindered phenol thioether (118832-72-7) | Multifunctional sulfurized phenolic AO. Primary AO function + mild EP activity in single molecule. Industrial gear oils, way oils and metalworking fluids requiring combined AO and EP performance. |
| Product | Chemical Name (CAS) | Description & Application |
|---|---|---|
| 525S | Molybdenum Dithiocarbamate — solid grade | Solid MoDTC forming MoS₂ tribofilm on metal surfaces at operating temperature. Dramatically reduces boundary friction. Fuel economy benefit in passenger car engine oils. API SN/SP and ILSAC GF-6 engine oil formulations. |
| MoDTC Oil Solution | Molybdenum Dialkyl Dithiocarbamate in mineral oil | Liquid MoDTC in 50% mineral oil solution. Easy handling and blending. Primary friction modifier in engine oil formulations. Boundary and mixed lubrication friction reduction. High-performance MoDTC friction modifier in mineral oil solution. |
| MoDTC High-Mo Oil | Molybdenum Dithiocarbamate in oil — high Mo content (EC 948-019-1) | High Mo-content liquid MoDTC for maximum friction reduction. Excellent low-temp solubility. Premium fuel economy engine oils and hybrid vehicle lubricants requiring stringent friction targets. |
| LA | Molybdenum Dithiophosphate (MoDTP) (EC 947-946-9) | Organomolybdenum dithiophosphate combining EP, AW and friction reduction in a single molecule. Gear oils and greases requiring both EP performance and friction reduction. Synergistic with ZDDP in engine oil. |
| MDBC | Molybdenum bis(dibutylcarbamodithioato)dioxodi, sulfurized (68412-26-0) | Sulfurized Mo-DBC complex providing high-load EP combined with MoS₂ friction reduction. High-load gear oils, heavy-duty greases and industrial lubricants under extreme pressure conditions. |
| MoDTC Solid Grade | Organomolybdenum Complex of Organic Amide (445409-27-8) | Sulfur-free and phosphorus-free Mo compound. No SAPS contribution — essential for Euro 6 engine oils (ACEA C3/C5) and catalyst-compatible formulations requiring ultra-low SAPS. |
| Product | Chemical Name (CAS) | Description & Application |
|---|---|---|
| 44MBC | 4,4′-Methylenebis(dibutyldithiocarbamate) (10254-57-6) | Ashless multifunctional — AO + AW + EP in single molecule. Industrial gear oils, greases and metalworking fluids. Especially effective at high temperatures where ZDDP decomposes. Synergizes with Mo friction modifiers. |
| ZDD | Zinc Diamyl Dithiocarbamate, 50% in mineral oil (15337-18-5) | Zinc DTC in oil providing AO and AW protection. Engine oils, hydraulic and compressor oils. Less aggressive toward copper vs. ZDDP while providing comparable AO and AW performance. |
| ZBPD/S | Zinc Dialkyldithiophosphate (6990-43-8) | ZDTP-type providing AW, AO and mild EP in engine oils, hydraulic fluids and gear oils. Key multifunctional additive complementing or partially replacing ZDDP in modern formulations. |
| ZBOP/S | Zinc Dialkyldithiophosphate — specialty grade (68649-42-3) | Specialty ZDTP grade with different alkyl chain for differentiated thermal and hydrolytic stability. Hydraulic fluids, compressor oils and circulating systems with specific stability requirements. |
| Product | Chemical Name (CAS) | Description & Application |
|---|---|---|
| DMTD | 2,5-Dimercapto-1,3,4-thiadiazole (1072-71-5) | Thiadiazole corrosion inhibitor and EP precursor. Reacts with metal surfaces forming a protective film against copper and non-ferrous metal corrosion. Direct use in lubricants and synthesis feedstock for DMTD derivatives. |
| DM86 | 2,5-Dimercapto-1,3,4-thiadiazole derivative (13539-13-4) | Oil-soluble DMTD salt for improved blending vs. pure DMTD. Copper corrosion inhibition and mild EP activity in metalworking fluids, gear oils and industrial lubricants. |
| DM89 | 1,3,4-Thiadiazole-2(3H)-thione, 5,5-dithiobis (72676-55-2) | DMTD dimer providing combined EP activity and corrosion inhibition. More oil-soluble and thermally stable than DMTD. Gear oils, greases and hydraulic fluids requiring simultaneous EP and copper protection. |
| NATD | Monosodium-2,5-dimercapto-1,3,4-thiadiazole, 36% aq. | Water-soluble DMTD sodium salt for metalworking fluid formulation. Prevents copper and non-ferrous metal corrosion in water-based cutting and grinding fluids. Easy addition to aqueous systems. |
| TT33 | Tolyltriazole (TTZ) Derivatives (EC 939-700-4) | Metal deactivator forming a protective monolayer on copper and brass surfaces. Essential in engine oils, gear oils, hydraulic fluids and coolants preventing copper corrosion. Highly effective at 50–500 ppm treat rate. |
04🔬
Fine Chemical Intermediates
Antioxidant synthesis · Pharma · Agrochemical feedstocks
| Product | Chemical Name (CAS) | Description & Application |
|---|---|---|
| Diphenylamine (DPA) | Diphenylamine (122-39-4) | Core intermediate for synthesis of alkylated DPA antioxidants for rubber, lubricants and agrochemicals. Propellant stabilizer and pharmaceutical intermediate. Largest source of DPA downstream products. |
| BLE | Acetone-Diphenylamine condensate (68412-48-6) | General purpose rubber AO. Thermal oxidation and flex-cracking resistance. Staining — dark-colored rubber goods. NR, SBR, BR and blends requiring long-term thermal stability. |
| BLE-W | Acetone-Diphenylamine condensate, water-dispersible | Water-compatible version of BLE for latex and water-based rubber systems. Same thermal protection as BLE without solvent handling. |
| DDA | Styrenated Diphenylamine (68442-68-2) | Non-staining styrenated DPA AO. Thermal and oxidative protection in rubber and plastic. Light-colored elastomers, polyolefins and SBS/SIS thermoplastic elastomers. |
| Alkylated DPA | 4,4′-Bis(α,α-dimethylbenzyl)diphenylamine (10081-67-1) | High MW non-staining amine AO. Excellent heat resistance, light stability and low volatility. Wire & cable insulation, neoprene cable sheaths and light-colored elastomeric compounds. Comparable to Naugard 445 / Nocrac CD. |
| Alkylated DPA | 4,4′-Bis(α,α-dimethylbenzyl)diphenylamine (10081-67-1) | Non-toxic, tasteless, light-colored amine AO for elastomers and plastics. Food-contact rubber, PE/PP masterbatch, PU foam, wire & cable and adhesives. Excellent in neoprene colorful cable sheath and polyether foam. |
| ODA | Octylated Diphenylamine (15721-78-5) | Bis-TMB DPA. Very low volatility and migration. Rubber, lubricant additives and industrial applications requiring persistent AO at elevated service temperatures. |
| Dioctyl DPA | P,P-Dioctyldiphenylamine (MW 393.65) | Dioctyldiphenylamine amine AO for rubber and lubricant. High-temperature oxidation protection with good compatibility across rubber polymers and base oils. |
| Product | Chemical Name (CAS) | Description & Application |
|---|---|---|
| p-Cresol | 4-Methylphenol (106-44-5) | Key industrial intermediate for synthesis of hindered phenol AO (BHT, AO-1076), phenolic tackifier resins and specialty chemicals. Also used in disinfectants, pharmaceuticals and fragrance synthesis. |
| Polyphenolic AO | Butylated reaction product of p-cresol and dicyclopentadiene (68610-51-5) | Highly effective polyphenolic AO for natural rubber, latex and synthetic elastomers. Non-staining, non-discoloring. High activity and very low volatility. Resistant to extraction by washing and boiling — essential for rubber thread, carpet backing, surgical gloves, medical products and baby goods. |
| KY616-3 | Polyphenolic AO aqueous anionic dispersion — 50% solid, <3μm particle size | Predispersed aqueous dispersion for direct addition to latex systems. No color change or discoloration. Active ingredients ground to <3μm for maximum activity. Latex foam, dipped goods, carpet backing and latex coatings. |
| KY616-5 | Polyphenolic AO aqueous emulsion — 5% solution | Diluted aqueous emulsion for precise low-level AO addition to water-based rubber systems. Excellent emulsion stability. Carboxylated SBR, NR latex and water-based adhesive formulations. |
| Product | Type | Description & Application |
|---|---|---|
| Compound AO blend | Compound AO blend (amine + phenol) | Multi-component AO blends for broad-spectrum protection in PE, PP, elastomers and industrial plastics. Polyphenolic AO and Polyphenolic AO differ in ratio and component selection for different application profiles. |
| Compound Phenolic/Phosphite AO — Series I | Compound phenol/phosphite — AO-1010+phosphite equivalent | New high-efficiency multicomponent AO. Superior to B225 series: lower MFR, higher OIT, better long-term thermal stability. PP, PE, EVA polyolefin processing. Compound AO > Compound AO > Compound AO in performance level. |
| Compound Phenolic/Phosphite AO — Series II | Compound phenol/phosphite — polyolefin-optimized | Better polyolefin compatibility and color vs. Compound AO series. Slightly lower high-temp resistance but superior initial color. Compound AO > Compound AO > Compound AO in performance level. |
| Polyphenolic AO MB 80% | Polyphenolic AO in SBR binder (80% active) | Dust-free polymer-bound AO masterbatch. Tack-free, accurate weighing and consistent dispersion vs. liquid Polyphenolic AO. NR, SBR, ABS rubber compounding. |
| Polyphenolic AO MB 15% | Polyphenolic AO in SBR binder (15% active) | Low-concentration SBR masterbatch for precise, low-level AO addition in latex-based rubber systems. |
| Polyphenolic AO MB 45% | Polyphenolic AO in EPDM/EVA binder (45% active) | EPDM/EVA-bound for heat and oil resistant EPDM compounds. Automotive sealing profiles, hoses and industrial EPDM parts requiring non-staining AO protection. |
| CDBC | Copper Dibutyldithiocarbamate (13927-71-4) | Specialty copper DTC functioning as AO, biocide and fungicide. Specialty rubber formulations, antifouling compounds and chemical intermediate. Unique copper-based activity differentiating from zinc DTC AO. |
| Product | Chemical Name (CAS) | Description & Application |
|---|---|---|
| Phenothiazine | Phenothiazine (92-84-2) | Essential polymerization inhibitor for acrylic acid, methacrylic acid, acrylates and vinyl monomers during storage and transportation. Important pharma intermediate for phenothiazine-class drugs (antipsychotics, antihistamines). |
| TST | 2,4,6-Trimercapto-S-triazine (17766-26-6) | Co-crosslinker in rubber and wire & cable. Heavy metal scavenger (Pb, Cd, Hg, Cu) in wastewater treatment and soil remediation. Adhesion promoter in rubber-metal bonded compounds. |
| DMTD | 2,5-Dimercapto-1,3,4-thiadiazole (1072-71-5) | Key intermediate for corrosion inhibitors and EP additives in lubricants. Used directly as corrosion inhibitor in metalworking fluids. Corrosion inhibitor feedstock for thiadiazole-based EP additives. |
| Sodium Cyanate | Sodium Cyanate (917-61-3) | Intermediate for urea derivatives, isocyanates and specialty pharmaceuticals. Drugs for Parkinson's, diabetes and epilepsy. Dye intermediate and acrylic polymer catalyst and dye intermediate. |
| Melamine | 2,4,6-Triamino-s-triazine (108-78-1) | Melamine-formaldehyde resins (laminates, adhesives, coatings), intumescent FR systems (MEL-P) and amino resin production. High nitrogen content provides char-forming FR behavior in intumescent coatings. |
| Product | Chemical Name (CAS) | Description & Application |
|---|---|---|
| HBr | Hydrobromic Acid (10035-10-6) | Strong hydrobromic acid for pharmaceutical synthesis, alkylating reagent in fine chemicals and feedstock for brominated FR production. Available in various concentrations. |
| Ethyl Bromide | Bromoethane (74-96-4) | Alkylating agent for N-alkylation and O-alkylation in pharmaceutical and agrochemical API synthesis. |
| nPB | 1-Bromopropane (106-94-5) | Solvent and synthesis intermediate. Pharmaceutical synthesis reagent and alkylating agent. Alternative to ozone-depleting solvents in precision cleaning. |
| DBNPA | 2,2-Dibromo-3-nitrilopropionamide (10222-01-2) | Fast-acting broad-spectrum biocide for industrial water treatment, oil field applications and paper mill slimicide. Effective against bacteria, fungi and algae. Rapidly biodegradable after use. |
| Bronopol | 2-Bromo-2-nitropropane-1,3-diol (52-51-7) | Broad-spectrum antimicrobial preservative. Oil field produced water treatment, paper mills, cosmetics and personal care. Effective against sulfate-reducing bacteria in oil field applications. |
| NaBr | Sodium Bromide (7647-15-6) | Oil field drilling fluid as clear brine completion fluid providing high density without solids. Pharmaceutical intermediate, water treatment chemical and analytical reagent. |
| NBS | N-Bromosuccinimide (128-08-5) | Selective brominating agent for aromatic, benzylic and allylic bromination. Essential in pharmaceutical and fine chemical synthesis for introduction of bromine at specific molecular positions. |
Why VANFLEX®
Specialist chemistry.
Reliable supply.
We supply high-performance specialty chemicals with consistent quality, full regulatory compliance and genuine technical support — enabling our customers to formulate better, more sustainably.
01
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Formulation guidance and compound optimization from experienced application chemists — not just data sheets.
02
Green Chemistry Portfolio
30+ nitrosamine-free, REACH-compliant alternatives for safer, more sustainable rubber and plastics compounding.
03
Multi-Market Coverage
Rubber, plastics, lubricants, C.A.S.E. and fine chemical intermediates — all from one trusted sourcing partner.
04
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