... alumina and silica as raw material, made from melting,blowing,spun by the resistance furnace.Cerachem Fibre: With alumina,silica ... and zirconia as raw material, made from melting,blowing,spun by the resistance furnace.Cerachrome Fibre: With alumina,silica ... chromia as raw material, made from melting,blowing,spun by the resistance furnace.Spun Fibre: Contain lubricant ,low residue ball content, ...