brown fused alumina FEPA grit,for sandblasting,polishing,for abrasive.

~FEPA grade
F14,F16,F20,F22,F24,F30,F36,F40,F46,F60,F70,F80,F100,F120,F150,F180,F220,F240,F280,F320
F360,F400,F500,F600,F800,F1000,F1200
P46-P2500
JIS Grade
#4,#5,#6,#8,#10,#12,#14,#16,#20,#22,#24,#30,#36,#40,#46,#60,#70,#80,#100,#120,#150,#180,
#220,#240,#280,#320,#360,#400,#500,#600,#800,#1000,#1200,#1500,#2000,#2500,#3000,#4000,#6000,#8000