Feldspar By Essel Minerals Industries

Feldspar Feldspar is a naturally occurring anhydrous, inorganic, igneous rock. It is a complex aluminum silicate containing varying amounts of sodium, potassium, and calcium. Available in Lumps & Powder form, in a fineness of up to 300 mesh ( Max 0.5 % Retention on Sieve), in two types Soda Feldspar & Potash Feldspar. Used in Paints, Detergent Cake, Electrodes. Ceramics, Glass. Chemical composition Potash Feldspar Chemical Component Percentage SiO2 67.6% AL2O3 17.78% K2O 10.5% Na2O 1.74% Fe3O2 0.04% CaO 0.2% MgO 0.1% TiO2 Nil LOI@1000oC 0.42% Chemical composition of Soda Feldspar Chemical Component Percentage Na2O 67.50% LOI 18.2% CaO 11.04% SiO2 1.884% MgO 0.04% AL2O3 0.2% Fe2O3 0.1% K2O Nil Heat White Melting 1200oC (MAx)