... industry uses Series: Muscovite, Phlogopite, biotite, sericite, wet ground and dry groundSize: 20mesh, 40mesh, 60mesh, 80mesh, 100mesh, 200mesh, 325mesh, or ... durable products.5.Use as suspended substance in fire-fighting dry powder.6.Taken as a filler, a shelte, a ... .138um10.0≤0.5≤0.25≤1≤4.37070 Dry Ground Mica SizeOver Sieve%Fe ppmSandLooseDensityWaterWhitenessDia-Thick-nessRatio900um/20mesh≤ ...