Addchemy Co., Ltd.

Product name: Cross Linking Agent TCY(TTCA) Other product name: Vulcanising Agent TCY(TTCA) Chemical name: Trithiocyanuric acid; 1,3,5-Triazine-2,4,6-trithiol CAS No.: 638-16-4 EINECS NO.: 211-322-8 Molecular Formula: C3H3N3S3 Structure: Specification: Item Standard Appearance Amorphous Yellow powder Initial M.P. (Min) ≥ °C 300 Loss on drying (Max) ≤ % 0.50 Ash (Max) ≤ % 0.30 Content(assy) ≥ % 95 Properties: TCY(TTCA) is difficultly insoluble in water, and its melting point and decomposition temperature are both above 300℃. Applications: It is widely used as stabilizers in polypropylene, rubber and other polymeric, as vulcanizer in ethyl acrylate-vinyl chloride polymer. Suitable for acrylic polymer curing agents for ACM, acrylic rubber, epichlorohydrin rubber CO.ECO and chloroprene rubber CR,. Also can be used for rubber blends,. the curing speed, scorch safety, can reduce the curing time, no need to vulcanization again. The vulcanized rubber produced has the characteristic of oil resistant, heat resistant and pressure resistant, significantly better mechanical properties. It is special vulcanizer as an acrylate rubber .It is can also be used in epichlorohydrin rubber and chloroprene rubber, can also be used in co-vulcanization together NBR rubber with PVC, also can be used as a PVC phenolic resin crosslinking agent single. Package: 25kg plastic bag, paper and plastic bag, kraft paper bags Storage: Store in a cool, dry, well-ventilated area away from sunlight. Rubber cross linking agent

Product name: Cross Linking Agent TCY(TTCA) Other product name: Vulcanising Agent TCY(TTCA) Chemical name: Trithiocyanuric acid; 1,3,5-Triazine-2,4,6-trithiol CAS No.: 638-16-4 EINECS NO.: 211-322-8 Molecular Formula: C3H3N3S3 Structure: Specification: Item Standard Appearance Amorphous Yellow powder Initial M.P. (Min) ≥ °C 300 Loss on drying (Max) ≤ % 0.50 Ash (Max) ≤ % 0.30 Content(assy) ≥ % 95 Properties: TCY(TTCA) is difficultly insoluble in water, and its melting point and decomposition temperature are both above 300℃. Applications: It is widely used as stabilizers in polypropylene, rubber and other polymeric, as vulcanizer in ethyl acrylate-vinyl chloride polymer. Suitable for acrylic polymer curing agents for ACM, acrylic rubber, epichlorohydrin rubber CO.ECO and chloroprene rubber CR,. Also can be used for rubber blends,. the curing speed, scorch safety, can reduce the curing time, no need to vulcanization again. The vulcanized rubber produced has the characteristic of oil resistant, heat resistant and pressure resistant, significantly better mechanical properties. It is special vulcanizer as an acrylate rubber .It is can also be used in epichlorohydrin rubber and chloroprene rubber, can also be used in co-vulcanization together NBR rubber with PVC, also can be used as a PVC phenolic resin crosslinking agent single. Package: 25kg plastic bag, paper and plastic bag, kraft paper bags Storage: Store in a cool, dry, well-ventilated area away from sunlight. Rubber cross linking agent

Product name: Vulcanising Agent DTDM Chemical name: 4,4'-dithiodimorpholine CAS No.: 103-34-4 Structure: Molecular Formula: C8H16N2O2S2 Specification: Item Standard Appearance White crystal powder Initial M.P. (Min) ≥ °C 120 Loss on drying (Max) ≤ % 0.50 Ash (Max) ≤ % 0.50 Properties: White crystalline or powder. Specific gravity: 1.28-1.32. No poison. Soluble in benzene, alcohol and acetone; Insoluble in water. Application: Sulphur donor vulcanizing agent for efficient vulcanization and semi-efficient vulcanization cure system; provide heat/reversion/aging resistance in NR and synthetic rubbers; non-blooming; excellent storage safety. Packing: 25kg plastic woven bag, paper with plastic film bag, kraft paper bag Storage: The product should be stored in the dry and cooling place with good ventilation, avoiding exposure of the packaged product to direct sunlight. The validity is 1 year. Vulcanising Agent

Product name: Rubber Vulcanizing Agent IS OT33 Chemical name: Insoluble Sulfur Specification: Item Standard Appearance Non flying yellow powder Sulfur content % 67.0±1.0 Insoluble Sulfur Content % ≥90 High temp stability (105℃/15min) ≥75 High temp stability (120℃/15min) ≥35 Oil content % 33.0±1.0 Acid Content(as H2SO4) % ≤0.05 Heating loss(60℃X 4h) % ≤0.5 Ash % ≤0.15 Residue 150um mesh ≤0.5 Packing: In 25kgs bag. Storage: The product should be stored in the dry and cooling place with good ventilation, storage temperature not more than 40℃,avoiding fir ,heat, moisture and pressure agglomeration. And it can not be mixed with alkaline amines. The validity is six months. Vulcanising Agent

Product name: Carbon black Specification: No. Name of Product Indicators Item N220 N330 N550 N660 1 Iodine Absorption Value,g/kg 121±7 82±7 43±6 36±6 2 DBP Absorption Value,10-5m³/kg 114±7 102±7 121±7 90±7 3 DBP Absorption of Compressed sample,10-5m³/kg 90-106 80-96 77-93 66-82 4 CTAB Absorption Area,103m2/kg 102-120 73-91 35-49 29-43 5 Adsorptive Specific Surface Area of Nitrogen, 103m2/kg 106±9 75±9 39±9 34±9 6 Nitrogen Absorption Surface Area, 103m2/kg 112-126 71-85 34-46 29-41 7 Tint Intensity, % 108-124 96-112 -- -- 8 Decrement After Heating,%≤ 2.5 2.5 1.5 1.5 9 Ash, %≤ 0.7 0.7 0.7 0.7 10 45µm Sieve Residue, %≤ 0.100 0.100 0.100 0.100 11 150µm Sieve Residue, %≤ 0.001 0.001 0.001 0.001 12 Impurities -- -- -- -- 13 300% Stretching Stress, Mpa≥ -2.3±1.6 -0.9±1.6 -0.9±1.6 -2.6±1.6 Reinforcing Filler

Product name: Fumed Silica 200 Chemical name: Silicon dioxide Molecular Formula: SiO2 Appearance: White solid colloidal particle Specification: Item Specification Specific surface area, m2/g 200+/-25 pH value 3.6-4.3 Loss on drying, %(m/m)≤ 2.0 Loss on ignition, %(m/m)≤ 2.0 Apparent density, g/l 30-60 Viscosity, mP.s 500-100 Properties: Fumed silica is one of the nanopowders that appeared earliest and achieved industrialization earliest. It is a white, loose, amorphous, non-toxic and pollution-free inorganic non-metallic oxide. The primary particle size is between 7~40rim. The specific surface area is generally larger than 100m2/g. Due to the nano effect, it has excellent reinforcement, thickening, thixotropic, insulation, matting, anti-sag properties. Product uses: It is widely used in rubber, plastic, coating, adhesive, sealant and other polymer industry fields. Packaging specifications: Plastic woven bag with inner plastic film; net weight is 10kg or according to customer requirements Reinforcing Filler

Product name: Silica185 Powder/Granule General Name: Precipitated Silica Chemical Name: Silicon dioxide hydrate Molecular Formula: SiO2.nH2O Specification: Item Specification Loss on drying max 105℃ 2h (%) 7 PH value (5%) 6.5-7.5 DBP absorption (cm3/g) 2.00-3.00 BET specific surface area (m2/g) 150-200 SiO2 content (%) ≥96 Na2SO4 (%) ≤3 Lead (ppm) ≤5 Arsenic (ppm)

Product name: Silica185 Powder/Granule General Name: Precipitated Silica Chemical Name: Silicon dioxide hydrate Molecular Formula: SiO2.nH2O Specification: Item Specification Loss on drying max 105℃ 2h (%) 7 PH value (5%) 6.5-7.5 DBP absorption (cm3/g) 2.00-3.00 BET specific surface area (m2/g) 150-200 SiO2 content (%) ≥96 Na2SO4 (%) ≤3 Lead (ppm) ≤5 Arsenic (ppm)

Product name: Silica185 Powder/Granule General Name: Precipitated Silica Chemical Name: Silicon dioxide hydrate Molecular Formula: SiO2.nH2O Specification: Item Specification Loss on drying max 105℃ 2h (%) 7 PH value (5%) 6.5-7.5 DBP absorption (cm3/g) 2.00-3.00 BET specific surface area (m2/g) 150-200 SiO2 content (%) ≥96 Na2SO4 (%) ≤3 Lead (ppm) ≤5 Arsenic (ppm)

Product name: Silane Coupling Agent Si-69 Chemical name: bis-(γ-tristhoxysilylpropyl)-tetrasulfide CAS No.: 40372-72-3 Formula: C18H42O6S4Si2 Structure: Specification: Item Powder Appearance Yellow transparent liquid Flash point °C ≥ 100.0 Total sulfur content % 22.7±0.8 Chlorine content % ≤ 0.40 Impurity % ≤ 4.0 Density g/cm3 1.080-1.090 Properties: Light yellow transparent liquid with slight ethyl alcohol odor, easily soluble in organic solvents such as ethyl alcohol, acetone, benzene, toluene and chlorohydrocarbon, etc. Application: Silane Si-69 is a kind of silane coupling agent with multiple functional groups successfully used in rubber industry to improve modulus and tensile strength of rubber, to reduce the compound viscosity and save process energy consumption. It’s especially applicable for polymers with double bond or rubber formulation with hydroxyl fillers. The suitable fillers include silica, silicate, clay, etc. The suitable rubber include natural rubber (NR), Butadiene styrene rubber (SBR), Isoprene rubber (IR), Butadiene rubber (BR), Acrylonitrile butadiene rubber (NBR), Ethylene propylene diene rubber (EPDM), etc. Packaging: 25KG/pail, 200KG/drum, 1mt IBC or customer’s requirement. Storage: The product should be stored in a cool, dry, well ventilated place, avoid sunshine Silane coupling agent

Product name: Silane Coupling Agent Si-171 Chemical Name: Vinyltrimethoxysilane CAS No.: 2768-02-7 EINECS: 220-449-8 Molecular formula: C5H12O3Si Structure: SPECIFICATION: Item Standard Appearance Colorless or pale yellowish clear liquid Purity % 98min Color No. (Pt-Co) 30max Application: The product is mainly used in polyethylene crosslinking, surface treatment of fiberglass reinforced plastics; synthesis of special coating; surface moistureproof treating agent of electronic component; surface treatment of inorganic siliceous fillers and so on. It is the important crosslinker of crosslinkied polyethylene, and widely in electrical wire & cable, and crosslinked polyethylene pipes. It can also be used in crosslinking of Ethylene/vinyl acetate (EVA) and Chlorinated polyethylene (CPE), Ethylene Acrylic Ester copolymer (EAE). It can copolymerize with acrylic acid coating materials to produce special outside wall coating which is called Silicon - Acylic Outside WallCoating. It can be copolymerized with various monomers (such as ethylene, propylene, butylenes, and so on), or graft copolymerized with correspond resin to produce special purpose modified high polymer. It is also a good accelerant for the adhesion between silicon rubber and metal or textile. Packing: Packed with 5L、20L、210L plastic/steel drum or 1000L IBC container, also can be packed according to customer’s requirement. Storage: Seal and store it in a cool, dry and ventilated place, keep moisture-proof and waterproof, far away from kindling material and heat source. Silane coupling agent

Product name: Silane Coupling Agent Si-172 Chemical Name: Vinyl tris(2-methoxyethoxy) silane CAS No.: 1067-53-4 EINECS: 213-934-0 Molecular formula: C11H24O6Si Structure: SPECIFICATION: Item Standard Appearance (25 ℃) Colorless or pale yellowish clear liquid Purity % 97min Color No. (Pt-Co) 30max Application: This product is molecule with dual functions, it can react not only with inorganic fillers, but also with organic macromolecules. It can be used as adhesion promoter of polymer system with multi-mineral fillers. It can also be taken to modify the extra fine powder of Non-halogen Flame Retardant produced from Al(OH)3 and Mg(OH)2, This flame retardant is widely used in wire ＆ cable, engineering plastics, decoration material, coating and textile. It is also used in the High Voltage Cable made with ethylene propylene copolymer and Ethylene propylene diene terpolymer (EPDM), to treat talc, quartz, and fillers; it now has been adopted by Industry Standard of USA on wire & cables made with Ethylene- propylene copolymer, EPDM rubber and crosslinking polyethylene. It can copolymerize with various monomers to produce adhesives and sealant coating with good moisture proof and heat proof. Packing: Packed with 5L、20L、210L plastic/steel drum or 1000L IBC container, also can be packed according to customer’s requirement. Storage: Seal and store it in a cool, dry and ventilated place, keep moisture-proof and waterproof, far away from kindling material and heat source. Silane coupling agent

Product name: Rubber adhesive RA-65 Chemical name: Hexamethoxy methyl melamine (HMMM 65%) CAS No.: 3089-11-0 EINECS: 221-422-3 Molecular Formula: C15H30N6O6 Structure: Specification: Item Standard Appearance White powder Ash Content (850 °C) % 30-38 Moisture % 2-6 Properties: Rubber adhesive RA-65 consists of Hexamethoxy methyl melamine (65%) and carriers. The appearance of this product is one kind of white powder and gives off methanal upon heating. It is hypo-methanal donator among double functioning adhesive system for rubber. Application: This product is used in binding Rubber with steel wire, Nylon, Rayon, fiberglass, etc. In using this product, simply mix it directly into Rubber, and it can achieve good adhesive effect by vulcanizing. If this product blended with Rubber Adhesive RS, Rh RE, it can bring in better effect. As this product is one kind of white powder, and has good dispersing feature, it is easy to measure and use Packing: In 25kgs bag. Storage: Keep in cool and dry while storage and transportation, strictly avoid damp. Rubber adhesive

Product name: Antiscorching Agent PVI(CTP) Chemical name: N-Cyclohexy(thio)phthalimide CAS No.: 17796-82-6 Structure: Molecular Formula: C14H15O2SN Specification: Item Standard Appearance White crystal powder Initial M.P. (Min) ≥ °C 90.0 Loss on drying (Max) ≤ % 0.30 Ash (Max) ≤ % 0.10 Purity ≥% 98.0 Properties: Specific gravity: 1.25--1.35. Soluble in acetone, benzene, toluol, diethyl ether, ethyl acetate, hot CCl4 and hot alcohol, slightly soluble in gasoline, insoluble in derosene and water. Application: Pre-vulcanisation inhabitor. Provide predictable scorch control in most sulphur valcanisation; Improved cost performance through marginal stock recovery, single- stage mixing, higher processing and/or curing temperatures; activity is linear and higher than most retarders; may cause bloom above 0.5 phr. It is the anti-scorching agent for both natural and synthetic rubber. Packing: In 25kgs bag. Storage: Keep container tightly closed in a cool, well-ventilated place. The recommended max. storage life is 1 years when stored under normal conditions. Rubber Antiscorching Agent