Industrial Grade Feldspar Lumps constitute 60% of the earth`s crust, silicates of aluminium, sodium, potassium, iron, calcium and barium. These Feldspar Lumps find application in ceramic industries as flux and glass industries. These Feldspar Lumps also used in acid proof refractories. These Industrial Grade Feldspar Lumps can be also used as mild abrasive in scouring powder and flux in welding electrode industries.
