... industry uses Series: Muscovite, Phlogopite, biotite, sericite, wet ground and dry groundSize: 20mesh, 40mesh, 60mesh, 80mesh, 100mesh, 200mesh, 325mesh ... .A filler in insulating materials of high-frequent electric waves and acid-durable products.5.Use as suspended substance in ... drawing of patterns in plastics,7.Rubber ,asbestos products and sealing materials My Tel number: 86 0311 86040958-811Mobile: ...