Graphite sheet
Muscovite & Phlogopite Mica
Quartz
Gypsum lumps
Gypsum board1220*1830*12.5mm
Clay
Silica sand
Gypsum powder
Quartz
Quartz
Calcite and gypsum
Fluorspar
Sodium feldspar
Quartz sand
Graphite
Alpha gypsum
Processed china clay
Silica sand
Silica sand
Silica sand