What is the difference between washed kaolin and calcined kaolin?

kaolin is an inorganic non-metallic mixture. calcined kaolin is to sinter kaolin in a calcining furnace to a certain temperature and time to produce its physical and chemical properties. certain changes to meet certain requirements. calcined kaolincompared with uncalcined kaolin, the bound water content of low-temperature calcined kaolin is reduced, and the silica and alumina…