1.expanded silver raw vermiculite ore 2.density:120-300kg/m3 3.Size:0. ... ,4-6mm 4.Use:agriculture,Horticulture etc. expanded refractory silver raw vermiculite offers in xinjiang1.Features Fireproof, heat insulating, sound and ... team and clients/or a third party named by clients.7.PricePrice is negotiable based on specification, quantity, delivering time etc ...