Gold vermiculite 1.Expanded vermiculite Features:Non-asbests Heat-resistant, corrosion-resistant, well-ventilation, water preservation, poisonless, odorless, low hardness, burning-avoidness, lighter. 2.Gold vermiculite size: Raw golden vermiculite 0-30um,0.3-0.65mm,0.65-1mm 20-40mesh,10-40mesh, ,0.3-1mm 1.5-2.5mm,1-2mm,2-4mm,3-8mm,4-8mm, Expanded golden vermiculite 0.3-0.65mm,0.65-1mm,1-2mm 2-4mm, ...