golden vermiculite Color:golden yellow,silver,white Size:0.3-1,1-2mm,1-3mm,2-4mm,20-150 mesh for build,agriculture,fireproof ... -4mm, 4-8mm.Expanded Vermiculite0.3-1,1-2mm, 1-3mm, 2-4mmHorticulture Vermiculite1-2mm, 2-4mm, 1-4mm vermiculite powder 20-40mesh,40 ... MgOAl2O3Fe(Fe2O3+FeO)CaO Na2OK2OContent%33.5523.813.43.81 1.37 1.246.42 Ph Expansion Coefficient Density Asbestos Content8-11 5 ...