... ,4-8mmRaw vermiculite:Golden:0.3-1mm,1-2mm,1.5-2.5mm,1-3mm,2-4mm,3-8mm,4-8mmSilver:0.3-1mm,1-2mm,2-4mm,4 ... )Specification(%)Moisture (%)Impurity(%)Expansionrate(ML/G)0.5-10.7-1.185min5max8max4min1-20.8-1.185min5max8max7min2-40.8-1.185min5max10max8min 3,Applications of Vermiculite in ...