C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 3/14 (2006.01) B24D 3/14 (2006.01) C04B 35/107 (2006.01)
Patent
CA 2522600
The invention relates to molten ceramic grains which are intended, for example, for applications involving abrading tools, having the following average chemical weight composition, expressed in weight percent based on oxide content: Al2O3: 93 % to 97.5 %; MgO: 2.2 to 6.5 %; SiO2: < 0.1 %; other impurities: < 0.4 %.
Grains céramiques fondus, notamment pour des applications à des outils abrasifs, ayant la composition chimique pondérale moyenne, en pourcentage en poids sur la base des oxydes, suivante : Al¿2?O¿3? : 93 % à 97,5 % ; MgO : 2,2 à 6,5 % ; SiO¿2? : < 0,1 % ; autres impuretés : < 0,4 %.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Saint-Gobain Centre de Recherches Et D'etudes Europeen
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