Abrasive tool material pink fused alumina abrasives
Pink fused alumina 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 abrasive tools made of it feature excellent durability and high processing cleanness, which are suitable for the precision grinding of the measuring tolls, lathe main shafts, instruments and apparatus parts, threading work pieces and samplers, etc
| Grains | 24# 30# 36# 46# 54# 60# 80# 100# 120# 150# 180# 220# | |
| Micro powder (Standard) | W | W63 W50 W40 W28 W20 W14 W10 W7 W5 W3.5 W2.5 W1.5 |
| JIS | 240# 280# 320# 360# 400# 500# 600# 700# 800# 1000# 1200# 1500# 2000# 2500# 3000# 4000# 6000# 8000# | |
| FEPA | F230 F240 F280 F320 F360 F400 F500 F600 F800 F1000 F1200 F1500 F2000 | |
Model: PA 30# | |||
Chemical compositions | Physical properties | ||
Items | Value of specification (%) | Items | Property |
Al2O3 | 98.50min | Color | Pink |
Cr2O3 | 0.45-1.00 | Bulk density | 1.40-1.99g/cm3 |
Na2O | 0.55max | True density | 3.90g/cm3 min |
Knoop Hardness | 2200-2300g/mm3 | ||
Crystal Size(um) | 600-2000 | ||
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