... ,insulation,plastic,welding dry/wet ground muscovite mica powderForm:powder,flakes,scrap Size:10mesh-1250mesh Use:cosmetic,coating,rubber, ... insulation,plastic,welding 1. Wet Ground Mica Powder SizeOverSieve %Sand %Loose DensityWaterLostWhitenessDia-thickRatio120µm/120mesh250µm<0. ... 1≤4.3>70>70 2. Dry Ground Mica Powder Size900µm/20mesh450µm/40mesh300µm/60mesh150µm/100mesh75µm ...