Metallurgical grade fluorspar caf2 90% min
Kaolin
Fly ash
Zirconium silicate
Kaolin
Phosphate Rock
Precipitated silica
Fabricated mica, mica
Silica
Mica sheet
Bentonite
Granular rock phosphate
Granular rock phosphate p2o5 30% min
Gypsum boards
Phosphate Rock