HSY

Zirconium compounds, namely, [ zirconium chlorides, ] zirconium oxides [, zirconium oxychloride being inorganic salts for industrial purposes, zirconium hydroxide, inorganic zirconium salts for industrial purposes, zirconium nitrate, zirconium sulfate, and chemicals for industrial purposes in the nature of zirconium sol ] ; fireproofing preparations; industrial chemicals