Buyer: Quartz (bb 524s), zirconium silicate (bb zr5a), zinc oxide (bb zn38l), china clay, kaolin (powder) (bb ka00), kaolin (noodle) (bb ka00), ball clay (bb ka33), wallastonite, barium carbonate (bz 4100), soda feldspar (xg 471sf), potash feldspar, dolomite, talc, calcium carbonate, alumina, color stains