Sodium Feldspar Powder
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Feldspar is a naturally occuring Potassium Alumino Silicate rock occuring in pegmatite bodies. Feldspar is used as a flux in ceramic and glass industries. Also adds strength to the body. Feldspar is a rare occurance of extremely pure mineral free from mica. The chief impurities namely clay, and other foreign matter all occur as fine bodies below one mm.