white carbon black / SiO2 1.Purity:92%,white powder/granular 2.usage:tyre rubber 3.CAS:1853-98-5 4.ISO9001,COA white carbon black ... (SiO2)Appearance: White Powder or Granular Applications: Rubber Industry, such ... ,Pesticides,Dry powder fire extinguishing agent, Paint .etcXD-0004Apperance white powder SiO2(%) more than 90% Loss on heating(%)105° ...