... )(2-4mm)(4-8mm) Size: 0.3-1mm,1-2mm,2-4mm,4-8mm ,20-40mesh, ... construction,indus Silver Expanded Vermiculite(1-2mm)(2-4mm)(4-8mm) Size: 0.3-1mm,1-2mm,2-4mm,4-8mm ... -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- ... FeO)CaO Na2OK2OContent%33.5523.813.43.81 1.37 1.246.42 Ph Expansion Coefficient Density Asbestos ...