Pink Aluminum Oxide is bayer alumina,which is electrically fused in high temperature,being added with the right quantity of oxidized chromium. lt is pink.lts hardness is close to,but toughness higher than that or WA.The abrasive tools made of it feature excellent durability and high processing cleanness,which are suitable for the precision grinding of the measuring tools,lathe main shafts,instruments and apparatus parts,threading workpieces and samplers,etc.
Size：F24 F30 F36 F46 F54 F60 F70 F80 F90 F100 F120 F150 F180 F220 F240 F280
F320 F400 F500 F600 F800 F1000 F1200 F1500 F2000
Chemical Composition
Al2O3:98.2-98.8%
Cr2O3:0.45-1.00%
Na2O:0.50-0.70%
Physical Properties：
Basic minerals：α-Al2O3
Crystal size：600-2000um
True density(g/cm3)：≥3.90
Bulk density（g/cm3)：1.40-1.91
Mohs Hardness：9.0
Knoop hardness（kg/mm2)：2200-2300
