Pink Fused Alumina(Pa)
Its main material is bayer alumina,which is electrically fused in high temperature,being added with the right quantity of oxidized chromium.It is pink.Its hardness is close to,but toughness higher than that of WA.
Its main material is bayer alumina,which is electrically fused in high temperature,being added with the right quantity of oxidized chromium.It is pink.Its hardness is close to,but toughness higher than that of WA. The abrasives tools made of it feature excellent durability and high processing cleanness,which are suittable for the precision grinding of the measuring tools, lathe main shafts,instruments and apparatus parts,threading workpieces and samplers,etc.
| Chemical composition Grit size range | low chromium | The chromium | High chromium | ||||||
|
Al2O3 (100%) |
Cr2O3 (100%) |
Na2O (100%) |
Al2O3 (100%) |
Cr2O3 (100%) |
Na2O (100%) |
Al2O3 (100%) |
Cr2O3 (100%) |
Na2O (100%) |
|
| F12-F80 | 98.5 | 0.2-0.45 | 0.5 | 98.20 | 0.45-1.00 | 0.55 | 97.40 | 1.00-2.00 | 0.55 |
| F90-F150 | 98.5 | 0.55 | 98.20 | 0.60 | 97.00 | 0.60 | |||
| F180-F220 | 98.0 | 0.60 | 97.8 | 0.70 | 96.5 | 0.70 | |||
Physical property :
| Basic minerals | Crystal size (um) | True density g/cm3 | Bulk density g/cm3 | Hardness kg/mm2 |
| a-Al2O3 | 600-2000 | ≥3.90 | 1.40-1.95 | 2200-2300 |
