... by SGS. Series: Muscovite, Phlogopite, biotite, sericite, wet ground and dry groundSize: 20mesh, 40mesh, 60mesh, 80mesh, 100mesh, 200mesh, 325-2000mesh, or ... .Specifications and Data for Reference:Wet Ground Mica : SizeOver sieve%Sand%Loose DensityWaterLostWhitenessDia-thick Ratio120um/120mesh250um0.1125um5.0≤1.0≤0 ...