... ,Artificial Onyx Filler,granite &stone,ATH1000Alumina, ATH, surface coated ATH, H-Wf-14, Aluminium hydroxide, flame retardant, artifical marble, toothpaste abradant, flame ... CAS No.: 21645-51-2 Bulk Density(g/cm3):Loosed: 1.1 Packed: 1.3 Density(g/cm3): 2.42Shelf life: Longer than ... .chemical properties :Al(OH)3: 99.6% min.Al2O3: 65.1% min.SiO2: 0.03% max.Fe2O3: 0.02% max.Na2O ...