عوامل ضدپیری
50 products
50 products
عوامل ضدپیری
Accelerator DCBS (N,N-Dicyclohexyl-2-Benzothiazolesulfenamide)
N,N-Dicyclohexyl-2-benzothiazolesulfenamide (DCBS) is a delayed-action sulfenamide accelerator offering the longest scorch time among commercial benzothiazole sulfenamides. It is the preferred accelerator for thick-section tire components and belt compounds containing insoluble sulfur, where extended processing safety is critical. DCBS delivers a high crosslink density and excellent reversion resistance upon vulcanization.
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Accelerator DPG (Diphenylguanidine)
Diphenylguanidine (DPG) is a slow-acting secondary accelerator widely used in combination with primary sulfenamide or thiazole accelerators to boost vulcanization rate and crosslink density. It is particularly valuable in silica-filled tire compounds as it acts as an activator for the silane coupling agent reaction, improving filler-polymer bonding. DPG provides good scorch safety and excellent aging resistance in cured compounds.
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Accelerator DTU (Diethylthiourea)
Diethylthiourea (DTU) is a thiourea-type accelerator primarily used for the vulcanization of polychloroprene (neoprene) and chlorosulfonated polyethylene (CSM) rubbers. It provides fast cure rates without requiring sulfur and produces excellent heat and ozone resistance in the cured compound. DTU is often used in combination with magnesium oxide and zinc oxide for optimized cure systems in CR-based cables and industrial goods.
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Accelerator ZBDC (Zinc Dibutyldithiocarbamate)
Zinc Dibutyldithiocarbamate (ZBDC) is an ultra-fast dithiocarbamate accelerator used as a secondary or primary accelerator in natural and synthetic rubber systems. It provides an extremely fast cure rate at low temperatures, making it ideal for room-temperature vulcanization and latex applications. ZBDC is also used as an antioxidant synergist and heat-aging stabilizer in rubber compounds.
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Accelerator ZDEC (Zinc Diethyldithiocarbamate)
Zinc Diethyldithiocarbamate (ZDEC) is an ultra-fast primary dithiocarbamate accelerator widely used in latex and dry rubber vulcanization. It is particularly favored in latex systems for surgical gloves, condoms, and medical dipped goods where low extractable nitrosamine levels are required. ZDEC provides a short induction period and fast crosslink formation, delivering high modulus and tensile strength.
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Accelerator ZDMC (Zinc Dimethyldithiocarbamate)
Zinc Dimethyldithiocarbamate (ZDMC) is one of the most reactive dithiocarbamate accelerators, providing extremely fast vulcanization at low temperatures. It is extensively used as a booster accelerator in thiazole or sulfenamide-based systems and as a primary accelerator in latex applications. ZDMC is also a widely used agricultural fungicide, so it benefits from well-established manufacturing quality standards.
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Accelerator ZMBT (Zinc 2-Mercaptobenzothiazole)
Zinc 2-Mercaptobenzothiazole (ZMBT) is the zinc salt of MBT, offering faster vulcanization than MBT with reduced scorching tendency. It is a semi-safe accelerator used primarily in latex systems and as a secondary accelerator in dry rubber compounds. ZMBT provides good aging resistance and is widely used in NR, SBR, and NBR compounds for footwear, industrial goods, and latex dipped products.
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Antioxidant 6PPD (N-(1,3-Dimethylbutyl)-N'-phenyl-p-phenylenediamine)
6PPD is the world's most widely used rubber antidegradant, providing outstanding protection against ozone, flex cracking, and dynamic fatigue in tire compounds. It functions by scavenging ozone and reacting with peroxy radicals, effectively preventing the oxidative degradation of diene rubbers. 6PPD is an industry standard antiozonant in tire treads, sidewalls, and general dynamic rubber applications.
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Antioxidant IPPD (N-Isopropyl-N'-phenyl-p-phenylenediamine)
N-Isopropyl-N'-phenyl-p-phenylenediamine (IPPD) is a p-phenylenediamine antidegradant that offers excellent protection against ozone, oxygen, flex cracking, and heat aging in natural and synthetic diene rubber compounds. IPPD provides slightly more volatile protection than 6PPD but delivers superior antifatigue properties and is often used as a complement or alternative to 6PPD in tire and industrial rubber formulations.
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Antioxidant MBI (2-Mercaptobenzimidazole)
2-Mercaptobenzimidazole (MBI) is a non-staining, non-discoloring antioxidant that provides good protection against thermal oxidation and catalytic degradation induced by heavy metal ions. It is widely used in light-colored and white rubber articles where staining must be avoided, and serves as an effective copper-ion deactivator. MBI is often blended with other antioxidants for synergistic protection in EPDM, NBR, and natural rubber.
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Antioxidant MBZ (Zinc 2-Mercaptobenzimidazole)
Zinc 2-Mercaptobenzimidazole (MBZ) is a non-staining antioxidant of the benzimidazole family that provides excellent protection against thermal oxidation and copper-catalyzed degradation in rubber compounds. It is particularly effective in NR, SBR, NBR, and EPDM compounds where metal ion contamination is a concern. MBZ is often used in combination with TMQ for a synergistic antioxidant effect.
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Antioxidant TMQ/RD (Polymerized 2,2,4-Trimethyl-1,2-Dihydroquinoline)
Polymerized 2,2,4-Trimethyl-1,2-dihydroquinoline (TMQ, also known as RD) is a classic non-staining antioxidant that provides excellent protection against heat aging and oxygen in rubber compounds. It is particularly effective as a thermal antioxidant in NR, SBR, and NBR compounds and is widely used in tire inner liners, inner tubes, and industrial rubber goods where non-blooming performance is needed.
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Antiozonant 6PPD/Paraffin Wax Blend
The 6PPD/Paraffin Wax Blend is a pre-compounded antidegradant system combining the chemical antiozonant 6PPD with protective paraffin wax in a single pelletized product. This blend simplifies the dosing of both antiozonant components in tire sidewall and tread compounds, ensuring consistent and uniform protection against ozone cracking, UV degradation, and oxidative aging. The pre-blend reduces weighing errors and improves mixing efficiency.
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Brown Factice (Sulfur-Vulcanized Oil Extender)
Brown Factice is produced by vulcanizing vegetable oil (typically rapeseed or linseed oil) with sulfur at elevated temperatures, resulting in a rubber-like solid that acts as a non-reinforcing extender and processing aid. It improves extrusion smoothness, reduces die swell, and imparts a greasy texture to uncured rubber compounds. Brown factice is widely used in erasers, cable insulation, and sponge rubber to improve extrusion behavior and compound softness.
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C5 Aliphatic Hydrocarbon Resin (Rubber Grade)
C5 Aliphatic Hydrocarbon Resin is a light-colored, non-staining tackifying resin produced from C5 petroleum fractions (piperylene and cyclopentadiene streams). It provides excellent tack, adhesion, and compatibility with NR, SBR, and EPDM rubber compounds. Its light color and low staining make it preferred in white, light-colored, and transparent rubber goods where conventional dark tackifiers would cause discoloration.
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Carbon Black N234 (HAF-HS)
Carbon Black N234 is a high-abrasion furnace (HAF-HS) carbon black with higher structure than N220 and N330, delivering superior abrasion resistance, traction, and wet grip performance in tire tread compounds. Its higher surface area and structure provide better reinforcement and improved compound stiffness compared to standard HAF grades. N234 is widely specified in passenger car tire tread formulations requiring both durability and performance.
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Carbon Black N330 (HAF)
Carbon Black N330 (High Abrasion Furnace) is one of the most widely used reinforcing carbon blacks for rubber, providing an excellent balance of tensile strength, abrasion resistance, and processability. It is the standard reinforcing black for tire treads and industrial rubber goods requiring high durability. N330 is produced by the oil furnace process and offers consistent particle size and structure for reliable compound performance.
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Carbon Black N550 (FEF)
Carbon Black N550, classified as Fast Extrusion Furnace (FEF), is a semi-reinforcing carbon black prized for its excellent processing characteristics in extrusion applications. It provides good tensile strength and tear resistance while offering smooth extrudate surfaces, low die swell, and high extrusion rates. N550 is widely used in tire inner liners, wire and cable insulation, hoses, and profiles where processability is as important as reinforcement.
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Carbon Black N660 (GPF)
Carbon Black N660, classified as General Purpose Furnace (GPF), is a large particle size, low structure carbon black offering low heat build-up, good flexibility, and excellent dynamic properties. Its low modulus contribution makes it preferred in compounds requiring high elongation, good fatigue resistance, and low heat generation under dynamic loading, such as tire sidewalls, vibration mounts, and flexible industrial goods.
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Carbon Black N990 (MT Thermal Black)
Carbon Black N990, produced by the thermal (non-channel) process, is the largest particle size commercial carbon black with essentially no structure. It functions primarily as a low-reinforcing filler and processing aid, imparting smooth flow, low hardness, and excellent dimensional stability in extruded and calendered rubber compounds. N990 is widely used in seals, gaskets, and electrical-grade rubber where controlled electrical resistivity and minimal reinforcement are required.
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Chloroprene Rubber Stabilizer (Antioxidant/HCl Scavenger)
Chloroprene Rubber (CR) Stabilizer is a specially formulated blend of antioxidants and hydrochloric acid scavengers designed to prevent thermal and oxidative degradation of polychloroprene compounds during processing and service. CR polymers degrade by releasing HCl at elevated temperatures, causing discoloration, scorch, and loss of mechanical properties. This stabilizer system neutralizes the liberated acid, extends shelf life, and maintains compound appearance and performance.
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Cobalt Stearate (Steel Cord Adhesion Promoter)
Cobalt Stearate is the most widely used cobalt-based adhesion promoter for bonding rubber compounds to brass-plated steel cord in radial tire belt constructions. The cobalt ions catalyze the formation of cobalt sulfide and cobalt oxide bonds at the brass-rubber interface during vulcanization, creating an exceptionally strong chemical adhesion that resists heat aging, humid conditions, and dynamic fatigue in service. Cobalt stearate is available in powder and pellet form and is compatible with all sulfur-cured NR and IR tire belt compounds.
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Coumarone-Indene Resin (Rubber Tackifier)
Coumarone-Indene resin is a petroleum-derived tackifying resin widely used in NR and SBR rubber compounds to improve self-adhesion and building tack during tire and rubber goods manufacturing. It improves green strength, reduces building defects during tire assembly, and can also act as a processing aid to improve filler dispersion. Coumarone-indene resins are available in a range of softening points to match different compound processing temperatures.
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DCP Peroxide Crosslinker (Dicumyl Peroxide)
Dicumyl Peroxide (DCP) is the most widely used organic peroxide for crosslinking EPDM, silicone rubber, and polyethylene. It generates carbon radicals upon thermal decomposition that abstract hydrogen from the polymer backbone, forming carbon-carbon crosslinks that offer superior heat resistance, compression set, and low extractables compared to sulfur-cured counterparts. DCP is available as a pure form and on inert carriers (40–50% active) for safer handling and accurate dosing.
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