Expanded vermiculite 1,color:golden,silver 2,category:Expanded.original 3,size:6-12mm,3-6mm,2-4mm,1-3mm 4,Origin:Hebei,China ... 60~100mesh,40-80mesh ,20-40mesh,10-40mesh,1-3mm,2-4mm,3-8 mm,4-8mmSilver:40-80mesh ,20-40mesh,10 ... 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 ...