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.