Gold vermiculite raw sale Most competitive price Excellent quanlity Size:0-8mm Color:silver or golden Expanded vermiculite1.Expanded vermiculite propertiesHeat-resistant, corrosion-resistant, well-ventilation, water preservation, poisonless, odorless, low hardness, burning-avoidness, lighter.non-asbestos ,Low density ,ect 2.Expanded vermiculite size Expandedgolden vermiculite0.3-0.65mm,0.65-1mm,1 ...