Silver Expanded Vermiculite(1-2mm)(2-4mm)(4-8mm) Size: 0.3-1mm,1-2mm,2-4mm,4-8mm ,20-40mesh,10-40mesh Use: ... construction,indus Silver Expanded Vermiculite(1-2mm)(2-4mm)(4-8mm) Size: 0.3-1mm,1-2mm,2-4mm,4-8mm ,20-40mesh,10-40mesh ... Use: construction,industry,agricultureexfoliated vermiculiteVermiculite1.Vermiculite Features after expansion: *Fireproof * ...