... purity-99.5%min Al2O3 3,Crystal form:Alpha-Al2O3 Manufacturer White Fused Alumina WFAWhite Fused alumina, a kind of high ... improved. Size #8,#10,#12,#14,#16,#18,#20,#22,#24,#30,36,#40,#46,#54,#60,#70,#80,#90,#100 ... 120F 180F 200F 320F#8 #10 #12 #14 #16 #20 #24 #30 #36 #40 #46 #54 #60 #70 #80 #90 #100 ...