... /80/100/200/325/400/500/600/800/1000mesh, Mica Scrap, Mica Flakes, Mica Powder Mica Powder: 10/20/40 ... adjusted according to customer’s demands. Feature: High insulation strength, acid-base corrodibility resistance, elasticity, tenacity, heat-resistance, sound insulation, ... in insulating materials of high-frequent electric waves and acid-durable products.Use as suspended substance in fire-fighting ...