... muscovite mica powder 2.used in plastic for food packing, engineering plastic, resin, paint, rubber, coatin plastic grade muscovite mica powderOur wet ground mica ... powder highly improve mica’s application in resin and plastics (engineering plastics: PA66, PPR pipe), paint(corrosion protection), rubber, lubricant etc ... )×106Pa71.7~87.5%1250°C146.5KV/mm>99.5% plastic grade muscovite mica powder