Chrome-magnesite refractories

Details Chrome-magnesite refractories Chrome-magnesite refractories

C - Chemistry, Metallurgy

04

B

25/136, 261/31

C04B 35/12 (2006.01) C04B 35/047 (2006.01)

Patent

CA 1221987

Abstract of the Disclosure A refractory brick made from a size graded batch comprising 20-30 weight percent magnesite containing less than 0.8 weight percent silica, and the balance a chrome ore. The chrome ore includes oxides of chromium, aluminum and iron wherein the ratio between the oxides of chromium and the oxides of aluminum and iron is greater than 2 to 1. The silica content of the chrome ore is less than 2.7 weight percent, the iron oxide content is less than 17 weight percent, and the chrome ore to magnesite ratio is between 2.33 to 4 to 1.

476098

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