... vermiculite Golden:40-80mesh ,20-40mesh,10-40mesh,1-3mm,2-4mm,3-8 mm,4-8mmSilver:40 ... -80mesh ,20-40mesh,10-40mesh,1-3mm,2-4mm,3-8mm,4-8mmRaw vermiculite:Golden ... :0.3-1mm,1-2mm,1.5-2.5mm,1-3mm,2-4mm,3-8mm,4- ... 8mmSilver:0.3-1mm,1-2mm,2-4mm,4- ... )CaO Na2OK2OContent%33.5523.813.43.81 1.37 1.246.42 Ph Expansion Coefficient Density Asbestos ...