Chemical Name: 2-Mercaptobenzothiazole
Molecular Formula: C7H5NS2
Molecular Weight:167.26
Product Standard: GB/T11407-2003
Cas no: 149-30-4
Specification
Item Top Grade First Grade Qualified Grade
Appearance
(Visual Inspection) Yellow Powder
Initial M.P.,173.0 171.0 170.0
Loss on Drying%,í_ 0.30 0.40 0.50
Ash%,í_ 0.30 0.30 0.30
Residues(150)%, 0.00 0.10 0.10
Properties: Yellow powder.Slightly foul odor and bitter taste,nonpoisonous. Specific gravity: 1.42-1.52. Soluble in ethyl acetone,acetone,dilute solution of sodium hydroxide and sodium carbonate, ethyl alcohol. Not easily soluble in benzene. Insoluble in water and gasoline.
Application: The product is a hemi-ultra accelerator, extensively used in vulcanization of natural and synthetic rubbers. Mainly used in the manufacture of rubber tires, rubber belts, rubber shoes and other industrial rubber products.
Storage: The product should be storaged in the dry and cooling place with good ventilation.
Notes: The product could be oiled and pelleted upon customers request.
Package: 25kg plastic woven bag, paper with plastic film bag, kraft paper bag or jumbo bag.
Specification
Item Top Grade First Grade Qualified Grade
Appearance
(Visual Inspection) Gray-white powder
Initial M.P.,íµí¦ 170.0 165.0 162.0
Loss on Drying%,í_ 0.30 0.40 0.50
Ash%,í_ 0.30 0.30 0.70
Residues(150)%, 0.00 0.10 0.10
Properties: Gray-white powder with litter bitter, no poison. Specific gravity: 1.45-1.54. Soluble in chloroform slightly soluble in benzene, ethyl alcohol and carbon tetrachloride. Insoluble in gasoline, water, and ethyl acetate.
Application: Used for natural and many synthetic rubbers. Mainly used in the manufacture of tires, hose, footwear,tape and genera industrial products.
Storage: The product should be storaged in the dry and cooling place with good ventilation.
Notes: The product could be oiled and pelleted upon customers request.
Package: 20kg plastic woven bag, paper with plastic film bag, kraft paper bag or jumbo bag.
Specification
Item Top Grade First Grade Qualified Grade
Appearance
(Visual Inspection) Gray-white or white powder
Initial M.P.,íµí¦ 99.0 98.0 96.0
Loss on Drying%,í_ 0.20 0.30 0.50
Ash%,í_ 0.20 0.30 0.40
Residues%, 240um:0.5 240um:0.5 100um:0.1
Properties: A slight odor. Specific gravity:1.31-1.34.soluble in benzene, chloroform,carbon disulfide; insoluble in water.
Application: A medium fast primary accelerator suitable for NR, IR, SBR, NBR, HR and EPDM. An outstanding delayed action accelerator. Be top effective and safe when used at ordinary processing temperatures, causing no scorches. Vulcanized show excellent physical property and quick complete. Usually used alone, when activated by DPG, TMTD and TMTM.
Storage: The product should be storaged in the dry and cooling place with good ventilation.
Notes: The product could be oiled and pelleted upon customers request.
Package: 25kg plastic woven bag, paper with plastic film bag, kraft paper bag or jumbo bag.
Specification
Item First Grade Qualified Grade
Appearance
(Visual Inspection) ííWhite powder
Initial M.P.,íµí¦ íí142.0 140.0íí
Loss on Drying%,í_ íí0.40 0.50íí
Ash%,í_ íí0.30 0.40íí
Residues(150)%, íí0.50 0.50íí
Properties: No odor and poison.Irritating to the skin and the respiratory tract. Specific gravity: 1.38-1.44. Solluble in chloroform, acetone,benzene;hardly soluble in carbon tetrachloride, ethyl alcohol &insoluble in water or gasline.
Application: Can be used as a single accelerator, as a secondary accelerator or as a sulphur donor in most sulphue-cures elastomers. Scochy and gives fast cure rates. Produces an excellent vulcanisation plateau with good heat aging and compression set resistance in sulphurless and EV a retarder in the vulcanisation of polychl or oprene rubber with ETU.
Storage: The product should be storaged in the dry and cooling place with good ventilation.
Notes: The product could be oiled and pelleted upon customers request.
Package: 25kg plastic woven bag, paper with plastic film bag, kraft paper bag or jumbo bag.
Properties: Amber to brown flake or granular. Gravity 1.05, soluble in benzol, chloroform and acetone, nonsoluble in water, but little soluble in petroleum hydrocarbon.
Application: The product is mainly used for natural rubber, butadiene nitrile and chloroprene rubber etal, Used in tyres, industry rubber and so on.
Storage: Keep container tightly closed in a cool, well-ventilated place.
Packaging: 25kg bag. Polypropyrene knitted bags lined with polyethylene bags.
