... ,category:Expanded .original 3,size:6-12mm,3-6mm,2-4mm,1-3mm 4,Origin:Hebei ,China Feature ProductsExpanded ... 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,4-8mm Note: The Size should be adjust ...