... :5MT 1.Expanded Vermiculite properties Heat-resistant, corrosion-resistant, well-ventilation, water preservation, poisonless, odorless, low hardness, burning-avoidness, ... content and ease of placement.Refractory ProductsVermiculite for refractory and high temperature insulation is normally bonded with alumina cements, fire ... industries applications (0.3-1MM,1-2MM,2-4MM) High quality Silver Vermiculite