Mica powder is a non-metallic mineral, containing a variety of components, of which the main SiO2, the content is generally about 49%, Al2O3 content is about 30%. Mica powder has good elasticity and toughness. It is widely used in electrical appliances, welding rods, rubber, plastics, paper, paint, coatings, pigments, ceramics, cosmetics, new building materials and other industries