... of tires, rubber tubes, rubber shoes, electrical cables, etc.. chemical product CZSightly odor, non—toxic,density 1.31-1.34g/cm3 ... ..storageIn cold places, avoiding moisture and heat to minimize decomposition.Product standard: HG/T 2096-2006aPurity and free amine is tested ... classcertifiedApperanceGrayish white or light yellou powder or grain melting point°C ≥99.0098.0097.00 Mass loss% ≤0.200.300.50 ...