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.