... ,Hebei,where the rock bedding is rich of mica mineral, high grade ore white mica powder is a kind of non-metallic ... up about 49% of it and is the main component. Mica has good elasticity, toughness. It is thermostable, anti-corrosive and ... in electric appliance, welding rod, rubber, plastic, papermaking, paint, coating, pigment, ceramics, cosmetics, new building materials and so on. white ...