... 8mm ,20-40mesh,10-40mesh Use: construction,industry,agricul Silver Exfoliated Vermiculite 2MM-4MMSize: 0.3-1mm,1-2mm,2-4mm, ... light weight * non-toxic * odorless * non-abrasive ect. 2. Vermiculite Size Expanded vermiculite Golden:40-80mesh ,20-40mesh,10-40mesh,1-3mm ... for development. Quality assurance extends from the beginning of raw material purchasing to mass production and final packing.We always ...