polishing grade alumina for abrasive tools
a.Name:alumina b:Usage:abrasive tools c:Purity :Al2O3 99.5% d:Made in China polishing white aluminum oxide
| brand | Al2O3 ceramic grade | Al2O3 refractory grade | Al2O3 polishing grade | |
| item | ||||
| index | Al2O3 % | 99.8 | 99.5 | 99.5 |
| SiO2 % | 0.04 | 0.05 | 0.04 | |
| Fe2O3 % | 0.02 | 0.03 | 0.02 | |
| Na2O % | 0.06~0.02 | 0.3 | 0.06~0.4 | |
| white | 97 | 96 | 97 | |
| igloss % | 0.04 | 0.08 | 0.06 | |
| density | 3.97 | 3.95 | 3.94 | |
| a-Al2O3 % | 97 | 95 | 94 | |
| grain | 0.4~5um | 2~3um | 3~5um | |
| usage | high temperature porcelain | any kinds of castable | all kinds of abrasive tools | |
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polishing grade alumina for abrasive tools
