Price is indicative only, it may change without prior notice and depends on requirements and can be negotiated case to case. SODA FELDSPAR Application:- Sanitary ware, Glass, Electrodes etc. The glass and ceramic industries are the major consumers of feldspar and account for 95% of the total consumption. Sodium Feldspar SF/01 Silica SiO2 68% ( + 1% ) Alumina Al2O3 18% ( + 1% ) Sodium Oxide Na2O 9% ( + 1% ) Potassium Oxide K2O 1.50% ( + 0.5% ) Titanium Oxide TiO2 Nil Calcium Oxide CaO 0.50% Magnesium Oxide MgO Traces Ferric Oxide Fe2O3 0.08% ( + 0.05% ) Loss On Ignition LOI 0.40%