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Rubber Antioxidant 4020(6PPD) Chemical Name N(1,3-dimethyl-butyl)-N'-phenyl-P-phenylenediamine Molecular Formula C18H24N2 Molecular Weight 268 CAS No. 793-24-8 Specifications GB/T 21841-2008 Item Specifications Appearance Black brown lumpish or granular solid Assay (%)Min 96 Initial Melting Point (℃)Min 45 Freezing Point (℃)Min. 46 Heat Loss (%)Max. 0.5 Ash (%)Max. 0.3 Properties Density :0.98g/cm3 ,soluble in gasoline, benzene, acetone and etc. Insoluble in water. Applications It is an antioxidant used for rubber products with high efficiency, low poison and low solvent-extraction amount. Also used as stablizer in synthetic rubber. It’s main used in tire, rubber shoes, belt, hoses automotive mounts so on. 6PPD is regulated for use in articles in contact with food as specified under FDA 21 CFR 177.2600 and under BGVV XXI, Categories 3-4. Storage Store closed containers in a cool, dry, well-ventilated area. Avoid exposure to direct sunlight. Packing 25kg net paper bags lined with polyethylene film bags.

Rubber Accelerator TBBS(NS) Chemical Name N-tert-butyl-2-benzothiazole Sulfenamide Molecular Formula C11H14N2S2 Molecular Weight 238 CAS# 95-31-8 Specifications GB/T 21840-2008 Item Specifications High grade Appearance White or light yellow powder or granular Initial Melting Point， (℃)Min. 104.0 Final Melting Point (℃)Min. 107.0 Heat Loss (%)Max. 0.40 Ash， (%)Max. 0.40 Free amines (%)Max. 0.5 Methanol insolubles (%)Max. 1.0 Purity (%)Min 96.0 Residue on 150μm Sieve (%)Max. 0.10 Properties Its industrial product is light yellow to brown powder, the density is 1.26~1.32g/cm3, soluble in benzene, chloroform, carbon disulfide, acetone, methanol, alcohol, difficultly soluble in gasoline, insoluble in water, dilute acid and dilute alkali solution. Applications A delayed action accelerator of vulcanization for natural and synthetic rubber. The speed of vulcanization is similar to CBS’s, but it’s delaying is larger than the CBS. There is little pollution and the color is changeless. It can be used as rubber products of tyre. Storage Store closed containers in a cool, dry, well-ventilated area. Avoid exposure to direct sunlight. Packing Coextruded paper bags lined with polyethylene film bags. Net weight 25 kg per bag.

Rubber Antioxidant TMQ(RD) Chemical Name 2,2,4-Trimethyl-1,2-dihydroquinoline polymer Molecular Formula (C12H15N)n CAS No. 26780-96-1 Specifications GB8826-88 Item Specifications High grade 1st grade Appearance Amber to brown granular soften temperature (℃)Min. 80～100 80～100 Heat Loss (%)Max. 0.2 0.5 Total content of dimer, trimerand tetramer, %Min 70 50 Isopropyl bis aniline content (%)Max 0.2 0.5 Insoluble in ethanol (%)Max 0.2 0.2 Ash (%)Max. 0.2 0.5 Properties Non-toxic. Relative density is 1.05. soluble in benzene, acetone, chloroform, carbon disulfide, a little soluble in petrol-hydrocarbon, insoluble in water. Applications A kind of amine antioxidant, the property of anti-heat oxide is good. It is suitable to nature rubber and variety of synthetic rubbers except chloroprene rubber. The effecting is invisible to protect curved fatigue and ozone, usually use it with other antioxidant that can protect curved fatigue and ozone. It is widely used to manufacture tyres, rubber tuber, belts, shoes, fiber, normal industrial rubber products, also latex products. It is known as a stabilizer which used to polyisopentadiene rubber, butadiene rubber, butadiene styrene rubber. It is able to inhibit harmful metals. Storage Store closed containers in a cool, dry, well-ventilated area. Avoid exposure to direct sunlight. Packing 25kg net paper bags lined with polyethylene film bags.

Rubber Accelerator ZDBC(BZ) Chemical Name Zinc Dibutyl Dithiocarbamate Molecular Formula C18H36N2S4Zn Molecular Weight 474.1 CAS# 136-23-2 Specifications Q/KS062-2007 Items Specifications Appearance White powder Initial Melting Point (℃)Min. 100.0 Final Melting Point (℃)Min. 106.0 Assay %Min 95 Heat Loss (%)Max. 0.50 Zinc Content (%) 13.0～15.0 Residue on 150μm Sieve (%)Max. 0.10 Residue on 63μm Sieve (%)Max.0.50 Zinc Salt Soluble in Water (%)Max.0.01 Properties Relative density is 1.24g/cm3. Soluble in carbon disulfide, benzene, chloroform, insoluble in water. Storage is stable. Applications A fast curing accelerator for natural and synthetic rubber and latex. It is more active than rubber accelerator ZDC in dry rubber. The latex contained accelerator ZDBC can’t be prevulcanized in a week. It is an excellent activator of thiazole kinds accelerator. It can be used as antioxidant in the mixing rubber and can improve the anti-aging properties. Non color degradation, non-staining and easy dispersion in rubber process. ZDBC is regulated for use in articles in contact with food as specified under FDA 21 CFR175.105, 178.2010, 175.300, 177.1210, 177.2600 and under BgVV XXI, Categories 1-4 and"Sonderkategorie". Storage Store closed containers in a cool, dry, well-ventilated area. Avoid exposure to direct sunlight. Packing 25kg net paper bags lined with polyethylene film bags.

Rubber Accelerator TMTD(TT) Chemical Name Tetramethyl Thiuram Disulfide Molecular Formula C6H12N2S4 Molecular Weight 240.41 CAS No. 137-26-8 Specifications Q/KES018-2007 Item Specifications 1st grade Appearance White or light gray powder or granular Initial Melting Point (℃)Min. 142 Final Melting Point (℃)Min. 147 Heat Loss (%)Max. 0.3 Ash (%)Max. 0.3 Residue on 150μm Sieve (%)Max. 0.1 Properties Density :1.31~1.34g/cm3 ,Soluble in benzene, acetone, chloroform, a little soluble in alcohol, insoluble in water. Applications Suitable for natural and synthetic rubber and latex, being a good secondary accelerator of kinds of thiazole, it is used with other accelerators to the continuous vulcanization. TMTD is regulated for use in articles in contact with food as specified under FDA 21 CFR177.2600, 175.105 and under BgVV XXI, Categories 1-4 and "Sonderkategorie". Storage Store closed containers in a cool, dry, well-ventilated area. Avoid exposure to direct sunlight. Packing 25kg net paper bags lined with polyethylene film bags.

Rubber Accelerator MBTS(DM) Chemical Name 2, 2-Dibenzothiazole Disulfide (MBTS) Molecular Formula C14H8N2S4 Molecular Weight 332.5 CAS No. 120-78-5 Specifications GB/T 11408-2013 Item Specifications High grade Appearance White or light yellow powder or Granular Initial Melting Point (℃)Min. 170.0 Final Melting Point (℃)Min 172.0 Heat Loss (%)Max. 0.3 Ash (%)Max. 0.3 Free MBT (%)Max. 1.0 Assay (%)Min. 95.0 Residue on 150μm Sieve (%)Max. 0.1 Properties Non-toxic, insoluble in water, but soluble in alcohol, ethyl ether,etc,Density :1.5g/cm3 , Applications Used with other accelerators in tyres, rubber belts and so on. MBTS is regulated for use in articles in contact with food as specified under FDA 21 CFR177.2600, 175.105 and under BgVV XXI, Categories 1-4. Storage Store closed containers in a cool, dry, well-ventilated area. Avoid exposure to direct sunlight. Packing 25kg net paper bags lined with polyethylene film bags.

Rubber Accelerator DPG(D) Chemical Name Dephenyl Guanidine (D) Molecular Formula C13H13N3 Molecular Weight 211 CAS No. 102-06-7 Specifications HG/T 2342-2010 Item Specifications 1st grade Appearance White or grey white powder or granular Initial Melting Point (℃)Min. 145.0 Assay (%)Min. 97.0 Heat Loss (%)Max. 0.3 Ash (%)Max. 0.3 Residue on 150μm Sieve (%)Max. 0.1 Residue on 63μm Sieve (%)Max 0.5 Properties Relative density is 1.12~1.20g/cm3, soluble in alcohol, acetone and benzene, slightly soluble in carbon tetrachloride. It is stable in open air. Applications It acts as middle-speed accelerator, suitable for natural and synthetic rubber, and also can be used as activator for kinds of thiazole, thiuram and sulfenamide. It acts as plasticizer and plastic-divider on chloroprene rubber, especially suitable for rubber products such as tire, rubber shoes, and so on. DPG is regulated for use in articles in contact with food as specified under FDA 21 CFR177.2600 and under BgVV XXI, Categories 3-4. Storage Store closed containers in a cool, dry, well-ventilated area. Avoid exposure to direct sunlight. Packing 20kg net paper bags lined with polyethylene film bags.

Rubber Accelerator CBS(CZ) Chemical Name N-cyclohexyl-2-benzothiazole Sulfenamide Molecular Formula C13H16N2S2 Molecular Weight 264.4 CAS No. 95-33-0 Specifications HG/T 2096-2006 Item Specifications High grade Appearance Grey-white or Light-yellow Powder or granular Initial Melting Point (℃)Min. 97.0 Final Melting Point (℃)Min. 99.0 Assay (%)Min 96 Heat Loss (%)Max. 0.2 Free Amine (%)Max 0.5 Ash (%)Max. 0.2 Residue on 150μm Sieve (%)Max. 0.00 Properties Density :1.31~1.34g/cm3 ,Soluble in benzene and ethyl acetate, insoluble in water, slightly soluble in gasoline. Applications A good delayed action accelerator, suitable for natural and synthetic rubber and tire rubber products, able to improve the physical and mechanical properties of rubber products. CBS is regulated for use in articles in contact with food as specified under FDA 21 CFR177.2600 and under BgVV XXI, Category 4. Storage Store closed containers in a cool, dry, well-ventilated area. Avoid exposure to direct sunlight. Packing 25kg net paper bags lined with polyethylene film bags.