... by SGS. Series: Muscovite, Phlogopite, biotite, sericite, wet ground and dry groundSize: 20mesh, 40mesh, 60mesh, 80mesh, 100mesh, 200mesh ... 1%1000°C3.Specifications and Data for Reference:Wet Ground Mica : SizeOver sieve%Sand%Loose DensityWaterLostWhitenessDia-thick Ratio120um ... .0≤0.5≤0.25≤1≤4.37070Dry Ground Mica: SizeOver Sieve%Fe ppmSandLooseDensityWaterWhitenessDia-Thick-nessRatio900um/20mesh ...