... vermiculite classified into diffrent size Raw golden vermiculite0-30um,0.3-0.65mm,0.65-1mm 20-40mesh,10-40mesh, ... ,0.3-1mm1.5-2.5mm,1-2mm,2-4mm,3-8mm,4-8mm,Raw silver ... vermiculite0.25-0.7mm,0.3-1mm,1-2mm,2-4mm,3-8mm,4-8mm,20-40mesh,40-60mesh ... question or requirement, please feel free to contact with us any time Our trademanager will be24 hours on line Unexpanded ...