1.Raw vermiculite 2.Size:0.3-1,1-2,2-4,1.5-2.5mm 3.Expansion ratios:5.5-10times 4.Color ... in difference size 0.3-1mm 0.5-1.5mm 1-2mm 1.5-2.5mm 2-4mm 0.3-0.6mm ) with 5 ... 20-40mesh,10-40mesh, ,0.3-1mm1.5-2.5mm,1-2mm,2-4mm,3-8mm,4-8mm,16-40mesh,20-40mesh ... Raw silver vermiculite0.25-0.7mm,0.3-1mm,1-2mm,2-4mm,3-8mm,4-8mm,20-40mesh,40- ... :8613582186358 Vermiculite raw/unexpanded 0.3-1mm0.5-1.5mm1.5-2.5mm2-4mm