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Complete vulcanization chemistry for high-performance rubber.

VANFLEX® covers the full rubber chemicals spectrum — from vulcanization accelerators and antidegradants to organic peroxides, crosslinking co-agents and predispersed masterbatch grades. Our portfolio includes both conventional and nitrosamine-free green alternatives.

500+ accelerator grades including green alternatives
Full accelerator & antidegradant portfolio
Predispersed masterbatch 50–90% active
30+ nitrosamine-free green grades
Rubber parts gaskets seals
✓500+ accelerator grades incl. green alternatives
✓Full accelerator & antidegradant portfolio
✓Predispersed masterbatch 50–90% active
✓30+ nitrosamine-free green grades
Automotive tire rubber chemicals
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Rubber & Plastics
Full catalog below

Full Product Catalog — Rubber & Plastics

All products available under VANFLEX® brand. SDS, TDS and CoA on request.

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Rubber & Plastics
ProductChemical Class (CAS)Description & Application
MBT2-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.
MBTSDibenzothiazyl 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.
ZMBTZinc 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.
NaMBTSodium 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 MBTSHigh-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.
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ProductChemical Class (CAS)Description & Application
CBSN-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.
TBBSN-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.
MOR2-(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.
DCBSN,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.
TBSIN-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.
OTOS4-[(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.
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ProductChemical Class (CAS)Description & Application
TMTDTetramethylthiuram 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.
TETDTetraethylthiuram 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.
TBTDTetrabutylthiuram 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.
TMTMTetramethylthiuram 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.
DPTTDipentamethylenethiuram 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.
TDECTellurium 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 DisulfideNitrosamine-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 gradegreen-grade DDTS with no nitrosamine generation. No direct substitutable product — used as standalone secondary accelerator in NR and SR where clean processing is required.
TOTDTetraoctylthiuram 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 gradeNitrosamine-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.
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ProductChemical Class (CAS)Description & Application
ZDMCZinc 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.
ZDECZinc 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.
ZDBCZinc 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.
ZEPCZinc Ethylphenyldithiocarbamate (14634-93-6)Non-blooming, non-staining DTC. Light-colored EPDM and NBR where surface appearance is critical. Secondary with good processing safety.
ZPDZinc 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.
ZPDCZinc PentyldithiocarbamateZinc 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 DTCgreen-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.
NDBCNickel 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.
CDMCCopper Dimethyldithiocarbamate (137-29-1)Specialty copper DTC. Fungicide, biocide and corrosion inhibitor. Antioxidant function in specialty applications.
SBECSodium Dibenzyldithiocarbamate (55310-46-8)Water-soluble sodium salt. Non-staining secondary in aqueous latex. Fast cure without blooming. Stable in alkaline latex conditions.
SDBCSodium 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.
BiDDBismuth 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 gradegreen-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 DithiophosphateDithiophosphate-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 Vulcanizergreen-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 DithiophosphateDithiophosphate-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 AcceleratorNovel 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.
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ProductChemical Class (CAS)Description & Application
DPGDiphenylguanidine (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.
DOTGDi-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.
ETUEthylene 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 acceleratorSafer non-carcinogenic ETU alternative. Good scorch safety and cure state for CR sealants, hoses and cable jackets.
DETUDiethylthiourea (105-55-5)Secondary accelerator for CR. Non-staining, disperses easily. Used with ETU or standalone in specialized CR formulations requiring controlled cure rate.
DPTUDiphenylthiourea (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.
DBTUDibutylthiourea (109-46-6)Specialty thiourea for CR vulcanization. Low toxicity. CR cable jackets and industrial rubber profiles. Can replace ETU in specific formulations.
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ProductChemical Class (CAS)Description & Application
DIXPDiisopropyl 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 gradegreen-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 Gradegreen-grade green xanthate accelerator. Not easy to produce nitrosamines. Ultra-fast latex and specialty cold-cure applications. No direct substitutable product.
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ProductChemical Class (CAS)Description & Application
PPD Antiozonants — staining
6PPDN-(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.
IPPDN-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.
DPPDN,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 PPDMixed 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
TMQPolymerized 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
MB2-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.
ZMBZinc 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.
MMB4-/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
NDBCNickel Dibutyldithiocarbamate (13927-77-0)Copper-poisoning inhibitor, antiozonant synergist and antioxidant. Non-staining. Rubber in metal contact: mining belts, wire-reinforced hoses, cable insulation.
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ProductChemical Class (CAS)Description & Application
Organic Peroxides
DCPDicumyl 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.
BIPB1,3-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.
DHBP2,5-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.
DTBPDi-t-Butyl Peroxide (110-05-4)PP vis-breaking, XLPE wire insulation and high-temperature crosslinking. High thermal stability. Excellent PP melt-flow modification.
DTAPDi-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.
BPODibenzoyl Peroxide (94-36-0)HTV silicone rubber cure. Acrylic/vinyl polymerization initiator. Low decomposition temperature.
TBPBt-Butyl Peroxybenzoate (614-45-9)Thermoset cure and unsaturated polyester resin initiation. Good balance between scorch safety and cure speed for polyester molding.
TBHPt-Butyl Hydroperoxide (75-91-2)Radical initiator for emulsion polymerization and specialty cure. Combined with reducing agents for ambient-temperature vinyl and acrylic cure.
MEKPMethyl 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.
CUHPCumyl Hydroperoxide (80-15-9)High-purity hydroperoxide initiator. High-selectivity oxidation and specialty polymerization. Used in bisphenol A production.
Peroxide Co-agents
TAICTriallyl 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.
TMAICTrimethallyl Isocyanurate (6291-01-6)Higher thermal stability than TAIC. Lower vapor pressure. FKM peroxide crosslinking for automotive fuel hoses and seals in aggressive media.
TACTriallyl Cyanurate (101-37-1)Trifunctional co-agent improving strength, rigidity and thermostability. High-performance unsaturated polyester resins and glass fiber composites.
TMPTMATrimethylolpropane Trimethacrylate (3290-92-4)Wire & cable co-agent. Improves electrical insulation, abrasion and heat resistance of crosslinked products.
ZDAZinc Diacrylate (14643-87-9)Ionic crosslinker forming zinc carboxylate clusters. HNBR/NBR golf ball cores, seals and high-hardness automotive parts.
ZDMAZinc Dimethacrylate (13189-00-9)Methacrylate ionic crosslinker. Very high modulus and tensile strength in HNBR, NBR. Engineering elastomers requiring extreme physical properties.
HVA-2N,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.
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ProductChemical 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.
DTDM4,4′-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.
ZBSZinc Benzenesulfinate Dihydrate (24308-84-7)Specialty sulfurless vulcanizing agent. Used where conventional sulfur or peroxide systems are unsuitable. Unique performance in specialty rubber formulations.
TST2,4,6-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.
DBDDibenzamido 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.
DIXPDiisopropyl 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.
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ProductChemical Class (CAS)Description & Application
Hindered Phenolic — Primary AO
AO-1010Pentaerythrityl 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-1024Hindered 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-1076Octadecyl 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-13301,3,5-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
B215AO-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.
B225AO-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.
DSTDPDistearyl 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.
DLTDPDilauryl Thiodipropionate (123-28-4)Lower MW thioester secondary AO. Better compatibility in thin films. Standard in polyolefin processing stabilization.
Light Stabilizers
HALS 22/28/55/77/92HALS — 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 1022/1031/1050UV Absorbers — benzophenone/benzotriazoleConvert 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 3280/3290UV Absorbers — benzotriazole (290–400nm)Broad-spectrum benzotriazole UV absorbers. Automotive PU finishes, powder coatings, polycarbonate and acrylic resins requiring demanding outdoor UV protection.
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ProductTypeDescription & Application
Processing Aids & Activators
Stearic AcidFatty Acid ActivatorCo-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 AcidFatty Acid Processing AidBetter plasticizing and processing aid function than stearic acid. Improves silica dispersion and reduces compound viscosity in silica-filled compounds.
PVIScorch 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.
ZnOMetal Oxide ActivatorPrimary activator for sulfur vulcanization — forms zinc complexes activating sulfenamide and thiuram accelerators. Standard 3–5 phr in conventional cure. Also heat stabilizer in PVC.
MgOMetal Oxide Co-activatorEssential 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-1044/1045/1055/1068Alkylphenol Formaldehyde ResinHeat-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-80Adhesion 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.
Si69-50Bifunctional 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-8080% MBT / EPDM binderDust-free polymer-bound MBT. Tack-free, accurate weighing, improved dispersion. IATF16949/REACH certified. Shoe outsoles, belts and industrial rubber.
MBTS-7575% MBTS / EPDM binderPredispersed MBTS for dust-free compounding. Shoes, belts and extrusion compounds.
CBS-8080% CBS / EPDM binderExcellent dispersion in automotive sealing, tire and technical rubber. Filtered to 100μm — prevents filter blockage in extrusion and injection molding.
TBBS-7575% TBBS / EPDM binderTire carcass, technical rubber and automotive sealing. Consistent activity vs. powder reduces dosage variation.
DCBS-8080% DCBS / EPDM binderOTR tire tread and thick-section compounds requiring very long scorch at elevated temperatures.
DPG-8080% DPG / EPDM binderSilica-filled compounds and CR cure systems. Consistent DPG dispersion critical for silane coupling activation in green tire.
TMTD-8080% TMTD / EPDM binderDust-free TMTD for EV cure. Consistent dosing eliminates overacceleration risk from powder weighing errors.
TBzTD-70 🌿70% TBzTD / EPDM binderPolymer-bound nitrosamine-free TMTD replacement. Drop-in for EV cure in medical and food-contact compounds. Full REACH registration.
TiBTD-80 🌿80% TiBTD / EPDM binderNitrosamine-free ultra accelerator masterbatch. Substitute for TMTD/TETD/TMTM. Automotive sealing strips with strict emissions requirements.
ZBEC-70 🌿70% ZBEC / EPDM binderNitrosamine-free DTC masterbatch. Superior scorch vs. ZDBC/ZDEC. Primary choice for EPDM automotive sealing strip compounds.
TDEC-7575% TDEC / EPDM binderPredispersed tellurium DTC ultra-fast accelerator for latex-type dry rubber compounds.
ETU-7575% ETU / NBR binderNBR binder for CR compound compatibility. Dust-free SVHC compound handling. CR seals, hoses and cable jackets.
DETU-8080% DETU / EPDM binderPredispersed CR secondary accelerator for polychloroprene products.
Predispersed Masterbatch — Vulcanizing Agents & Retarders (Actimix)
S-8080% Sulfur / EPDM binderEliminates sulfur dusting. Consistent dispersion prevents localized overcure. Standard in automotive sealing profile and technical rubber compounding.
IS90-6565% IS-90 / EPDM binderPrevents insoluble sulfur migration and bloom in tire steel cord compounds. Uniform adhesion in belt and carcass skim compounds.
IS60-7575% IS-60 / EPDM binderStandard insoluble sulfur masterbatch for general tire compound production.
DTDM-8080% DTDM / EPDM binderDust-free sulfur donor for EV cure. Consistent dosing critical for reproducible EV crosslink networks.
HMDC-7070% Hexamethylene Diamine Carbamate (143-06-6)FKM and ACM vulcanizing agent masterbatch for automotive seals and fuel system components.
BCS-55/IIRComplete phenolic resin cure / IIR binderPre-blended complete vulcanizing package for IIR bladder and curing bag production. Consistent reproducible IIR cure.
CTP-8080% CTP/PVI / EPDM binderPredispersed scorch retarder. Consistent very low dosage addition (0.05–0.3 phr) without cure interference.
Retarder E-80 🌿80% Retarder E/C / EPDM binderNitrosamine-free CTP replacement. Full REACH registration. EPDM automotive weather strips where CTP is being phased out.
ZBPD-S 🌿Zinc Dialkyldithiophosphate / EPDM MBLow-nitrosamine EPDM accelerator masterbatch for automotive EPDM sealing with strict emissions and occupational health requirements.
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