ALUMINA BALLS BARIUM CARBONATE BENTONITE BLEACH (white additive) BORIC ACID CALCINED ALUMINA CALCIUM CARBONATE CERIUM OXIDE COBALT OXIDE COBALT SULFATE FELDSPATH KAOLIN NEODYNIUM OXIDE NEPHELINE POTASSIUM CARBONATE QUARTZ RED IRON OXIDE SELENIUM SODA ASH SPODUMENE TALC TRIOXIDE ANTIMOINE TRIPOLYPHOSPHATE WOLLASTONITE ZINC OXIDE ZINC SELENITE ZIRCONIUM SILICATE