C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 35/628 (2006.01) C04B 35/117 (2006.01) C09K 3/14 (2006.01)
Patent
CA 2718789
The present invention relates to a coated grain comprising a melted basic grain at least partially covered by a coating comprising silica, the basic grain comprising over 40 wt % of alumina based on the weight of the basic grain.
La présente invention concerne un grain revêtu comportant un grain de base fondu recouvert, au moins partiellement, par un revêtement comportant de la silice, le grain de base comportant plus de 40 % d'alumine, en pourcentage massique sur la base de la masse du grain de base.
Marlin Samuel
Petigny Sylvain
Robic
Saint-Gobain Centre de Recherches Et D'etudes Europeen
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