... 1.expanded construction vermiculite 2.density:120-300kg/m3 3.Size:0.3-1,1-3,2-4,4-6mm 4.Use:agriculture,Horticulture ... etc..2.Size Golden/Silver Vermiculite1-3mm,2-4mm,3-8mm,4-8mm,10-20mesh,20-40mesh,10-40mesh, ... 80mesh,60-100mesh,200mesh,325meshNote: Size/specifications can be customized.3.Physical& Chemical AnalysisChemical Composition: CompositionSiO2MgOAl2O3Fe2O3CaOK2OPercentage37-4311-239-175-181 ...