... Vermiculite1-2mm, 2-4mm, 1-4mm vermiculite powder 20-40mesh,40-60mesh,60-80mesh,80-100mesh, ... demands.Package: 25kgs/bag1,Product DescriptionExpanded Vermiculite powder:1. 10-150mesh is used in heat ... 40mesh is used in cars, planes, ice box, fire extinguisher, filter etc.3. 40-120mesh is used in ... bronze-colored printing ink,filling material for anti fire dope ect. 2,Chemical compositions: ElementSiO2 ...