... joint compoundsl Pearlescent pigmentl Rubberl Drillingl Brake pad & clutches Dry Ground Muscovite Mica Quick ViewMuscovite MicaSpecific Gravity2.6Refractive Index1.58MOH ... Mica Scrap mica is ground by three processes, namely dry grinding, wet grinding and micronising. The marketed product is ... and properties like colour, mesh size and bulk density. Dry mica powder is prepared by grinding in high speed ...