... powder phlogopite,biotite,calcined mica,colour mica paint and coating raw materialmica,muscovite,mica powder,sericite powderphlogopite,biotite ... manufacturing process with washing, refining, dipping, grinding and crashing, cold-drying, screening, and become a kind of good quality filler. ... widely used as drilling mud in oil and gas, filler in painting and coating, plastic, rubber, ceramic, ink, paper ...