... powder,sericite powder phlogopite,biotite,calcined mica,colour mica paint and coating raw materialmica,muscovite,mica powder,sericite ... process with washing, refining, dipping, grinding and crashing, cold-drying, screening, and become a kind of good quality ... resin and plastics (engineering plastics: PA66, PPR pipe), paint(corrosion protection), rubber, lubricant etc ,improving the product performance ...