1.crude golden vermiculite 2.density:120-300kg/m3 3.Size:0.3 ... 4mm,3-5,4-6mm 4.agriculture horticulture... crude golden vermiculite 1.Features Fireproof, heat insulating, sound and moisture absorbing, ... fireproof board2- loose fill insulation3- construction coating4- lightweight concrete5- vermiculite plasterIndustry1- thermal insulation, refractory2- sound absorption loose filling3- friction linings4 ...