... construction,indus Silver Expanded Vermiculite(1-2mm)(2-4mm)(4-8mm) Size: 0.3-1mm,1-2mm,2-4mm,4-8mm ,20-40mesh,10- ... ,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,4-8mm Note: ...