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By certification 
Testing Standard:（GB/T11407-2003）
Item |
Quality Indicator |
Appearance |
Light yellow or grayish white powder, granule. |
First melting point |
171.0℃ min |
Loss on heat |
0.40%Â max |
Ash |
0.30%Â max |
Residue(150um) |
0.10%Â max |
Valid Content 99%
Quality grade: Excellent
Property: Slight odor, bitter taste, non-toxic. Proportion of 1.42-1.52, soluble in ethyl acetate, acetone, sodium hydroxide and sodium carbonate in dilute solution, dissolved in ethanol, easily soluble in benzene, insoluble in water and gasoline.
  Use: Semi-super-accelerator, is widely used in natural and synthetic rubber. Mainly for the manufacture of ships, tape, rubber and other industrial rubber products.
  Packing:
    Storage: Ventilated dry place, storage period for two years
