Kaolin is a common and very important clay mineral in nature.It is formed by weathering of feldspar or other silicate minerals in igneous and metamorphic rocks in an acidic medium lacking alkali metals and alkaline earth metals.
Its feature is plasticity,sinterability,fire resistance,adsorption.
It is widely used in paper making,ceramics,refractories,coating and painting,enamel glaze, rubber,agriculture,textile,oil,building.