expanded vermiculite 1. the volume can increase 4-5 times 2.size:0.2-0.5mm 3.golden expanded vermiculite expanded vermiculiteThe good quality of expanded vermiculite, the maximum using temperature up to 1100°C. Besides, expanded vermiculite has good electric insulation. Has the property of light density, cold-resist, heat insulation, sound absorption. Can be widely used in construction, electric ...