1.expanded golden vermiculite ore 2.density:120-300kg/m3 3.Size:0.3-1,1-3,2-4,4-6mm 4.Use:agriculture,Horticulture etc. expanded refractory golden vermiculite ore offers in xinjiang1.Features Fireproof, heat insulating, sound and moisture absorbing, light weight, non-toxic, odorless, non-abrasive, etc..2.Size Golden/Silver Vermiculite1-3mm,2-4mm,3-8mm,4-8mm,10-20mesh,20-40mesh,10-40mesh,40-60mesh ...