SF:H₃C--S-NH-NH-C-NH₂
Appearance:small white powder
Decompose temperature: 227( nitrogen and carbon dioxide in air)213-215(plastic)
Gas release: 146ml/g
Solubility: soluble in DMF, ammonium hydroxide , basic liquid;insoluble in acetic acid, acetone, carbon tetrachloride, acetone, isoacetone, benzine, toluene and water
Uses:
It is the nitrogen foaming agent in high temperature, it can be used in AUS, PA, PVC, PE, PC etc. The urea can decrease the decompose temperature. The releasing gas is non toxic and smellless. It can be used in the close pore foam plastic and sponge products.
Packing:
(1) plastic lined woven bag
(2) plastic lined carton