Model numbers: WS-200, WS-325, WS400, WS-800 Wollastonite powder is widely used in ceramic etc. Model numbers: WS-200, WS-325, WS400, WS-800Wollastonite powder is widely used in ceramic, chemical, metallurgy, construction, automobile and paper industry. We can manufacture different grades of wollastonite powder. All of them are manufactured by high quality raw materials. Wollastonite Powder