Feldspar is a common raw material used in glassmaking, ceramics, and to some extent as a filler and extender in paint, plastics, and rubber. In glassmaking, alumina from feldspar improves product hardness, durability, and resistance to chemical corrosion. POTASSIUM FELDSPAR & SODIUM FELDSPAR We offer best quality of potassium & Sodium feldspar in form of: 1. Granular Particles 2. Powder form 3. Lump form
