| 摘要 |
FIELD: chemical industry, more particularly sol-gel abrasive materials made of aluminium oxide. SUBSTANCE: abrasive materials further comprise 0.01-2 % by weight of alkaline metal oxide selected from rubidium oxide, cesium oxide, and mixture thereof. EFFECT: improved abrasion properties of abrasive materials. 9 cl, 7 ex, 5 tbl
|
