Addchemy Co., Ltd.

Product name: ACCELERATOR TMTM(TS) Chemical Name: Tetramethyl thiuram monosulfide Structure: Molecular Formula: C6H12N2S3 Molecular Weight: 208.4 CAS NO: 97-74-5 Specification: Item Powder Oil powder Granule Appearance Yellow powder Yellow oily powder Yellow granule Initial M.P. (Min) ≥ °C 104.0 104.0 104.0 Loss on drying (Max) ≤ % 0.40 0.40 0.40 Ash (Max) ≤ % 0.40 0.40 0.40 Residues on 63μm sieve, % ≤ 0.50 0.50 - Residues on 150μm sieve, % ≤ 0.10 0.10 - Oil content, % - 0.0-2.0 - Granular diameter mm - - 1.0-3.0 Properties: The yellow powder (granule). The density is 1.37-1.40. No osmyl and no taste. Soluble in benzene, acetone,CH2CI2,CS2, toluene, party soluble in alcohol and diethyl ether, insoluble in gasoline and water Stabilization for storage Application: Generally used as a secondary accelerator or as a booster for sulphenamides to achieve faster cure rate Distinguished by very good processing safety in comparison with other thiurams, high curing activity and no discoloration. No cure activilty in the absence of added elemental sulphur. An excellent accelerator for polychloroprene in association with DPG and Sulphur. It's critical temperature is 121οC Packaging: 20kg/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 product with pallet should not be stacked. Stacking of palletized material or temperature of above 35οC can cause unusual compacted product. The validity is 2 years. Rubber accelerator

Product name: ACCELERATOR TMTM(TS) Chemical Name: Tetramethyl thiuram monosulfide Structure: Molecular Formula: C6H12N2S3 Molecular Weight: 208.4 CAS NO: 97-74-5 Specification: Item Powder Oil powder Granule Appearance Yellow powder Yellow oily powder Yellow granule Initial M.P. (Min) ≥ °C 104.0 104.0 104.0 Loss on drying (Max) ≤ % 0.40 0.40 0.40 Ash (Max) ≤ % 0.40 0.40 0.40 Residues on 63μm sieve, % ≤ 0.50 0.50 - Residues on 150μm sieve, % ≤ 0.10 0.10 - Oil content, % - 0.0-2.0 - Granular diameter mm - - 1.0-3.0 Properties: The yellow powder (granule). The density is 1.37-1.40. No osmyl and no taste. Soluble in benzene, acetone,CH2CI2,CS2, toluene, party soluble in alcohol and diethyl ether, insoluble in gasoline and water Stabilization for storage Application: Generally used as a secondary accelerator or as a booster for sulphenamides to achieve faster cure rate Distinguished by very good processing safety in comparison with other thiurams, high curing activity and no discoloration. No cure activilty in the absence of added elemental sulphur. An excellent accelerator for polychloroprene in association with DPG and Sulphur. It's critical temperature is 121οC Packaging: 20kg/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 product with pallet should not be stacked. Stacking of palletized material or temperature of above 35οC can cause unusual compacted product. The validity is 2 years. Rubber accelerator

Product name: ACCELERATOR ZDMC(PZ) Chemical Name: Zinc dimethyl dithiocarbamate Structure: Molecular Formula: C6H12N2S4Zn Molecular Weight: 305.4 CAS NO: 137-30-4 Specification: Item Powder Oil powder Granule Appearance White powder White oily powder White Granule Initial M.P. οC ≥ 240.0 240.0 240.0 Loss on drying % ≤ 0.40 0.40 0.40 Zinc content % 20.0-23.0 20.0-23.0 20.0-23.0 Residues on 150μm sieve, % ≤ 0.10 0.10 - Oil content, % - 0.0-2.0 - Granule Diameter, mm - - 2.50 Properties: White powder (granule). No taste, no poison. Density is 1.66. Soluble in lower concentration alkali, CS2, benzene, acetone and CH2Cl2, partly soluble in chloroform, insoluble in alcohol, CCl4 and ethyl acetate Application: Used for NR, IR, BR, SBR, NBR, HR, EPDM and natural & synthetic latexes. Stronger accelerating power than TMTD. Strong resistance to scorching. In its handling, care should be operated, because of its increase activation and strong tendency to scorch at low temperatures (100οC). Often used as a secondary accelerator. In latex, better results are obtained when used in combination with other types such as thiazole accelerators. Used for rubber coated fabrics, latex products and rubber cement, etc. FDA approved in USA Packaging: 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 2 years. Rubber accelerator

Product name: ACCELERATOR ZDMC(PZ) Chemical Name: Zinc dimethyl dithiocarbamate Structure: Molecular Formula: C6H12N2S4Zn Molecular Weight: 305.4 CAS NO: 137-30-4 Specification: Item Powder Oil powder Granule Appearance White powder White oily powder White Granule Initial M.P. οC ≥ 240.0 240.0 240.0 Loss on drying % ≤ 0.40 0.40 0.40 Zinc content % 20.0-23.0 20.0-23.0 20.0-23.0 Residues on 150μm sieve, % ≤ 0.10 0.10 - Oil content, % - 0.0-2.0 - Granule Diameter, mm - - 2.50 Properties: White powder (granule). No taste, no poison. Density is 1.66. Soluble in lower concentration alkali, CS2, benzene, acetone and CH2Cl2, partly soluble in chloroform, insoluble in alcohol, CCl4 and ethyl acetate Application: Used for NR, IR, BR, SBR, NBR, HR, EPDM and natural & synthetic latexes. Stronger accelerating power than TMTD. Strong resistance to scorching. In its handling, care should be operated, because of its increase activation and strong tendency to scorch at low temperatures (100οC). Often used as a secondary accelerator. In latex, better results are obtained when used in combination with other types such as thiazole accelerators. Used for rubber coated fabrics, latex products and rubber cement, etc. FDA approved in USA Packaging: 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 2 years. Rubber accelerator

Product name: ACCELERATOR ZDMC(PZ) Chemical Name: Zinc dimethyl dithiocarbamate Structure: Molecular Formula: C6H12N2S4Zn Molecular Weight: 305.4 CAS NO: 137-30-4 Specification: Item Powder Oil powder Granule Appearance White powder White oily powder White Granule Initial M.P. οC ≥ 240.0 240.0 240.0 Loss on drying % ≤ 0.40 0.40 0.40 Zinc content % 20.0-23.0 20.0-23.0 20.0-23.0 Residues on 150μm sieve, % ≤ 0.10 0.10 - Oil content, % - 0.0-2.0 - Granule Diameter, mm - - 2.50 Properties: White powder (granule). No taste, no poison. Density is 1.66. Soluble in lower concentration alkali, CS2, benzene, acetone and CH2Cl2, partly soluble in chloroform, insoluble in alcohol, CCl4 and ethyl acetate Application: Used for NR, IR, BR, SBR, NBR, HR, EPDM and natural & synthetic latexes. Stronger accelerating power than TMTD. Strong resistance to scorching. In its handling, care should be operated, because of its increase activation and strong tendency to scorch at low temperatures (100οC). Often used as a secondary accelerator. In latex, better results are obtained when used in combination with other types such as thiazole accelerators. Used for rubber coated fabrics, latex products and rubber cement, etc. FDA approved in USA Packaging: 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 2 years. Rubber accelerator

Product name: ACCELERATOR DCBS(DZ) Chemical Name: N,N-Dicyclohexyl-2-Benzothiazole sulfenamide Structure: Molecular Formula: C19H26N2S2 Molecular Weight: 346.56 CAS NO: 4979-32-2 Specification: Item Powder Oil powder Granule Appearance Light yellow or light pink powder Light yellow or light pink oiled powder Light yellow or light pink granule Initial M.P. (Min) ≥ °C 97.0 97.0 97.0 Loss on drying (Max) ≤ % 0.30 0.40 0.30 Ash (Max) ≤ % 0.30 0.30 0.30 Residues on 150μm sieve, % ≤ 0.10 0.10 - Oil Content, % - 1.0-2.0 - Granular diameter mm - - 1.0-3.0 Properties: Cream-colored Granule with taste bitter. The density is 1.26, Soluble in acetone organic liquids, including fats and oils, insoluble in water. Application: DCBS is a sulfenamide accelerator with excellent anti-scorching property and delayed onset of cure. It is compatible with natural and synthetic rubbers, suitable for radial ply tyre, rubber belts and shock absorber, etc. Particularly it produces good adhesion to metal. Packaging: 25kg plastic woven bag, paper with plastic film bag, 25kg drum. 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. Rubber accelerator

Product name: ACCELERATOR DCBS(DZ) Chemical Name: N,N-Dicyclohexyl-2-Benzothiazole sulfenamide Structure: Molecular Formula: C19H26N2S2 Molecular Weight: 346.56 CAS NO: 4979-32-2 Specification: Item Powder Oil powder Granule Appearance Light yellow or light pink powder Light yellow or light pink oiled powder Light yellow or light pink granule Initial M.P. (Min) ≥ °C 97.0 97.0 97.0 Loss on drying (Max) ≤ % 0.30 0.40 0.30 Ash (Max) ≤ % 0.30 0.30 0.30 Residues on 150μm sieve, % ≤ 0.10 0.10 - Oil Content, % - 1.0-2.0 - Granular diameter mm - - 1.0-3.0 Properties: Cream-colored Granule with taste bitter. The density is 1.26, Soluble in acetone organic liquids, including fats and oils, insoluble in water. Application: DCBS is a sulfenamide accelerator with excellent anti-scorching property and delayed onset of cure. It is compatible with natural and synthetic rubbers, suitable for radial ply tyre, rubber belts and shock absorber, etc. Particularly it produces good adhesion to metal. Packaging: 25kg plastic woven bag, paper with plastic film bag, 25kg drum. 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. Rubber accelerator

Product name: ACCELERATOR DCBS(DZ) Chemical Name: N,N-Dicyclohexyl-2-Benzothiazole sulfenamide Structure: Molecular Formula: C19H26N2S2 Molecular Weight: 346.56 CAS NO: 4979-32-2 Specification: Item Powder Oil powder Granule Appearance Light yellow or light pink powder Light yellow or light pink oiled powder Light yellow or light pink granule Initial M.P. (Min) ≥ °C 97.0 97.0 97.0 Loss on drying (Max) ≤ % 0.30 0.40 0.30 Ash (Max) ≤ % 0.30 0.30 0.30 Residues on 150μm sieve, % ≤ 0.10 0.10 - Oil Content, % - 1.0-2.0 - Granular diameter mm - - 1.0-3.0 Properties: Cream-colored Granule with taste bitter. The density is 1.26, Soluble in acetone organic liquids, including fats and oils, insoluble in water. Application: DCBS is a sulfenamide accelerator with excellent anti-scorching property and delayed onset of cure. It is compatible with natural and synthetic rubbers, suitable for radial ply tyre, rubber belts and shock absorber, etc. Particularly it produces good adhesion to metal. Packaging: 25kg plastic woven bag, paper with plastic film bag, 25kg drum. 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. Rubber accelerator

Product name: ACCELERATOR DPTT(TRA) Chemical Name: Dipentamethylene thiuramtetrasulfide Structure: Molecular Formula: C12H20N2S6 Molecular Weight: 384.66 CAS NO: 120-54-7 Specification: Item Powder Oil powder Granule Appearance Light yellow powder Light yellow powder Light yellow granule Initial M.P. (Min) ≥ °C 110.0 110.0 110.0 Loss on drying (Max) ≤ % 0.40 0.40 0.40 Ash (Max) ≤ % 0.40 0.40 0.40 Residues on 63μm sieve, % ≤ 0.50 0.50 - Residues on 150μm sieve, % ≤ 0.10 0.10 - Oil content, % - 0.0-2.0 - Granular diameter mm - - 1.5 Properties: Light yellow powder (granule). No taste, no poison. The density is 1.5. Soluble in chloroform, benzene, acetone, CS2, partly soluble in gasoline and CCl4 insoluble in water and alkali of lower concentration Application: Secondary accelerator for NR, SBR, EPDM, and NBR. For rich sulphur content of 28%, it could be used as cure agent. In the system of SBR and NBR, it could be used the primary cure agent. No poison and no pollution. Easily dispersed in rubber system Packaging: 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 2 years. Rubber accelerator

Product name: ACCELERATOR DPTT(TRA) Chemical Name: Dipentamethylene thiuramtetrasulfide Structure: Molecular Formula: C12H20N2S6 Molecular Weight: 384.66 CAS NO: 120-54-7 Specification: Item Powder Oil powder Granule Appearance Light yellow powder Light yellow powder Light yellow granule Initial M.P. (Min) ≥ °C 110.0 110.0 110.0 Loss on drying (Max) ≤ % 0.40 0.40 0.40 Ash (Max) ≤ % 0.40 0.40 0.40 Residues on 63μm sieve, % ≤ 0.50 0.50 - Residues on 150μm sieve, % ≤ 0.10 0.10 - Oil content, % - 0.0-2.0 - Granular diameter mm - - 1.5 Properties: Light yellow powder (granule). No taste, no poison. The density is 1.5. Soluble in chloroform, benzene, acetone, CS2, partly soluble in gasoline and CCl4 insoluble in water and alkali of lower concentration Application: Secondary accelerator for NR, SBR, EPDM, and NBR. For rich sulphur content of 28%, it could be used as cure agent. In the system of SBR and NBR, it could be used the primary cure agent. No poison and no pollution. Easily dispersed in rubber system Packaging: 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 2 years. Rubber accelerator

Product name: ACCELERATOR DPTT(TRA) Chemical Name: Dipentamethylene thiuramtetrasulfide Structure: Molecular Formula: C12H20N2S6 Molecular Weight: 384.66 CAS NO: 120-54-7 Specification: Item Powder Oil powder Granule Appearance Light yellow powder Light yellow powder Light yellow granule Initial M.P. (Min) ≥ °C 110.0 110.0 110.0 Loss on drying (Max) ≤ % 0.40 0.40 0.40 Ash (Max) ≤ % 0.40 0.40 0.40 Residues on 63μm sieve, % ≤ 0.50 0.50 - Residues on 150μm sieve, % ≤ 0.10 0.10 - Oil content, % - 0.0-2.0 - Granular diameter mm - - 1.5 Properties: Light yellow powder (granule). No taste, no poison. The density is 1.5. Soluble in chloroform, benzene, acetone, CS2, partly soluble in gasoline and CCl4 insoluble in water and alkali of lower concentration Application: Secondary accelerator for NR, SBR, EPDM, and NBR. For rich sulphur content of 28%, it could be used as cure agent. In the system of SBR and NBR, it could be used the primary cure agent. No poison and no pollution. Easily dispersed in rubber system Packaging: 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 2 years. Rubber accelerator

Product name: ACCELERATOR MBTS (DM) Chemical Name: Dibenzothiazole disulfide Structure: Molecular Formula: C14H8N2S4 Molecular Weight: 332.50 CAS NO: 120-78-5 Specification: Item Powder Oil powder Granular Appearance Pale yellow or white powder Pale yellow or white powder Pale yellow or white granular Initial M.P. (Min) ≥ °C 166 165 165 Loss on drying (Max) ≤ % 0.40 0.40 0.40 Ash (Max) ≤ % 0.50 0.50 0.50 Residue on 100 μm sieve (Max) ≤ % 0.5 - - Granular diameter mm - - 1.5-3 Broken strength N - - 2-5 Oil content,% - 1.0-2.0 - Properties: Gray-white or light yellow powder (granule) with a little bitter,no poison. The density is 1.45-1.54 Soluble in chloroform, partly soluble in benzene, ethanol, CCl4, insoluble in gasoline, water and ethyl acetate. Good storage stability. Application: Given flat, moderately fast cures in NR and SR. Also used in a wide range of general purpose rubber. Non-staining and non-discolouring in "white" socks; used as a plasticizer and retarder in polychloroethylene rubber. Secondary acceleration is usually required for synthetic polymers. Better scorch safety than MBT Packaging: 20kg plastic woven bag, paper with plastic film bag, kraft paper bag or jumbo 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 2 years. Rubber accelerator

Product name: ACCELERATOR MBTS (DM) Chemical Name: Dibenzothiazole disulfide Structure: Molecular Formula: C14H8N2S4 Molecular Weight: 332.50 CAS NO: 120-78-5 Specification: Item Powder Oil powder Granular Appearance Pale yellow or white powder Pale yellow or white powder Pale yellow or white granular Initial M.P. (Min) ≥ °C 166 165 165 Loss on drying (Max) ≤ % 0.40 0.40 0.40 Ash (Max) ≤ % 0.50 0.50 0.50 Residue on 100 μm sieve (Max) ≤ % 0.5 - - Granular diameter mm - - 1.5-3 Broken strength N - - 2-5 Oil content,% - 1.0-2.0 - Properties: Gray-white or light yellow powder (granule) with a little bitter,no poison. The density is 1.45-1.54 Soluble in chloroform, partly soluble in benzene, ethanol, CCl4, insoluble in gasoline, water and ethyl acetate. Good storage stability. Application: Given flat, moderately fast cures in NR and SR. Also used in a wide range of general purpose rubber. Non-staining and non-discolouring in "white" socks; used as a plasticizer and retarder in polychloroethylene rubber. Secondary acceleration is usually required for synthetic polymers. Better scorch safety than MBT Packaging: 20kg plastic woven bag, paper with plastic film bag, kraft paper bag or jumbo 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 2 years. Rubber accelerator

Product name: ACCELERATOR MBTS (DM) Chemical Name: Dibenzothiazole disulfide Structure: Molecular Formula: C14H8N2S4 Molecular Weight: 332.50 CAS NO: 120-78-5 Specification: Item Powder Oil powder Granular Appearance Pale yellow or white powder Pale yellow or white powder Pale yellow or white granular Initial M.P. (Min) ≥ °C 166 165 165 Loss on drying (Max) ≤ % 0.40 0.40 0.40 Ash (Max) ≤ % 0.50 0.50 0.50 Residue on 100 μm sieve (Max) ≤ % 0.5 - - Granular diameter mm - - 1.5-3 Broken strength N - - 2-5 Oil content,% - 1.0-2.0 - Properties: Gray-white or light yellow powder (granule) with a little bitter,no poison. The density is 1.45-1.54 Soluble in chloroform, partly soluble in benzene, ethanol, CCl4, insoluble in gasoline, water and ethyl acetate. Good storage stability. Application: Given flat, moderately fast cures in NR and SR. Also used in a wide range of general purpose rubber. Non-staining and non-discolouring in "white" socks; used as a plasticizer and retarder in polychloroethylene rubber. Secondary acceleration is usually required for synthetic polymers. Better scorch safety than MBT Packaging: 20kg plastic woven bag, paper with plastic film bag, kraft paper bag or jumbo 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 2 years. Rubber accelerator

Product name: ACCELERATOR TETD Chemical Name: Tetraethyl thiuram disulfide Structure: Molecular Formula: C10H20N2S4 Molecular Weight: 296.5 CAS NO: 97-77-8 Specification: Item Crystal powder Oiled crystal powder Granule Appearance Light yellow or grey white crystal powder Light yellow or grey white granule Initial M.P. (Min) ≥ °C 64.0 64.0 64.0 Loss on drying (Max) ≤ % 0.4 0.40 0.40 Ash (Max) ≤ % 0.4 0.40 0.40 Granular diameter mm - - 2.5 Oil content,% - 1.0-2.0 - Properties: Light yellow crystal (Granule). The density is 1.29. Soluble in benzene, toluol, acetone, chloroform, CS2 partly soluble in gasoline, insoluble in water, acid and alkali with lower concentration. Be sensitive to skin and good storage stability Application: Fast-curing primary or secondary accelerator for NR, SBR,Nitrile and EPDM. Closely resembles TMTD in its applications. Less scorch, blooming and good processing safety. Can be used in CR as an anti-scorching agent. The efficiency sulphur content is 11 %. It is also be used as raw material for germicide, pesticide and medicine Packaging: 25kg plastic woven bag, paper with plastic film bag, kraft paper bag and 25kg drum . 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 product with pallet should not be stacked. Stacking of palletized material or temperature of above 35℃ can cause unusual compacted product.The validity is 1 year. Rubber accelerator

Product name: ACCELERATOR ZDBC(BZ) Chemical Name: Zinc dibutyl dithiocarbamate Structure: Molecular Formula: C18H36N2S4Zn Molecular Weight: 474.1 CAS NO: 136-23-2 Specification: Item Powder Oil powder Granule Appearance White powder White oily powder White granule Initial M.P. οC ≥ 104.0 104.0 104.0 Loss on drying % ≤ 0.40 0.40 0.40 Zinc content % 13.0-15.0 13.0-15.0 13.0-15.0 Residues on 150μm sieve, % ≤ 0.10 0.10 - Soluble Zinc Content, % ≤ 0.01 0.01 0.01 Oil content, % - 0.0-2.0 - Properties: White powder (granule). The density is 1.24. Soluble in CS2. benzene, chloroform, alcohol, diethyl ether,insoluble in water and low concentration alkali. Good storage stability Application: Used for primary or secondary ultra-accelerator in NR. IR, BR, SBR, NBR, HR. EPDM, and their latexes. Similar in property to PZ and EZ. less accelerating effects than PZ and EZ to dry rubber. Effectively used in both natural and synthetic latexes for faster curing at normal (low) temperature than with PZ and EZ, and less scorching and blooming Packaging: 25kg plastic woven bag, paper with plastic film bag, kraft paper bag, or jumbo 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 2 years. Rubber accelerator