1.Property:Nonpoisonous tasteless white powder,Chemical properties are stable and specific area can be controlled. 2.Uses:applied in all kinds of structure ceramics,electronic,electronic ceramics,senstitive ceramics,biological ceramics,high-grade fireproofing,partes of machine cutting tools,watch shell,joint of litht fibre,solid fuel battery and so on. Packing:Drum with plastic liner bag. Net weight 20kg/drum.