China Abrasives Industry Hainan Corporation
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Pink fused alumina, PA, Fused Corundum, Pink corundum abrasive
Product descprition of Pink fused alumina PA:
Pink aluminum oxide, 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 tools, lathe main shafts, instruments and apparatus parts, threading work pieces and samplers, etc.
Chemical composition (%) of Pink fused alumina PA:
| Grit | low chromium | medium chromium | high chromium | ||||||
| Al2O3 | Cr2O3 | Na2O | Al2O3 | Cr2O3 | Na2O | Al2O3 | Cr2O3 | Na2O | |
| F12~F80 | ≥98.50 | 0.2~0.45 | ≤0.50 | ≥98.50 | 0.45~1.00 | ≤0.50 | ≥97.40 | 1.00~2.00 | ≤0.55 |
| F90~F150 | ≥98.50 | ≤0.55 | ≥98.20 | ≤0.60 | ≥97.00 | ≤0.60 | |||
| F180~F220 | ≥98.00 | ≤0.60 | ≥97.80 | ≤0.70 | ≥96.50 | ≤0.70 | |||