... Direct sale 2,High purity-99.5%min Al2O3 3,Crystal form:Alpha-Al2O3 Manufacturer White Fused Alumina ... resistance can be improved. Size #8,#10,#12,#14,#16,#18,#20,#22,#24,#30,36,#40,#46,#54,#60,# ... 0.04%Na2O≤0.30% Physical propertiesTrue density 3.95-3.97g/cm3Bulk density 1.75-1.95g/cm3Mohs hardness ... JISStandard0-1mm 1-3mm 3-5mm 5-8mm100F 120F 180F 200F 320F#8 #10 #12 #14 #16 #20 #24 #30 #36 #40 ...