Feldspar

Feldspar is a Group of sodium, potassium, calcium, and barium aluminum silicates; commercially usually potassium aluminosilicate Feldspar uses and applications include: Filler; extender; reinforcing agent; dusting agent; in paints, adhesives; pottery, enamel, and ceramic ware; abrasive; bond for abrasive wheel; poultry grit; cements; concrete; insulating compositions; fertilizer; tarred roofing materials; glass raw material; filler, extender, reinforcing agent, dusting agent, lubricant for rubber