White Fused Aluminum oxide polishing material Chemical Compositions: Al2O3:99.20-99.70% Fe2O3:0.04-0.10% Na2O:0.23-0.35% Physical Properties: B.D:1.75-1.95g/cm3 Specific Gravity:3.95g/cm3 Mohs Hardness:9.0 Application: Bonded abrasives and Coated abrasives Floor / Wall Laminates Thermal Spraying (Plasma Spraying) Lapping & Micro-blasting applications Super Refractories, Ceramics and Tiles Brake linings Available Size: JIS STANDARD: JIS#240 #280 #320 #360 #400# #500 #600 #700 #800 #1000 #1200 #1500 #2000 #2500 #3000 #4000 #6000 #8000 #10000 FEPA STANDARD: F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000