partially stabilized zirconia injection,dry pressing molding method etc packed in 20kg/drum BET & D50 can be controlled SGS commodity: ... and specific area can be controlled. 2.Uses:applied in all kinds of structure ceramics,electronic,electronic ceramics,senstitive ceramics ... ceramics,high-grade fireproofing,partes of machine cutting tools,watch shell,joint of litht fibre,solid fuel battery and so on ...