US4366256A - Refractory chrome-magnesia bricks and ...
Refractory chrome-magnesia bricks and compositions composed of a granular fused material having a grain size of 12 mm or less, and a content of from 71 to 83 wt. % Cr 2 O 3 and from 17 to 29 wt. % MgO, the minimum content of Cr 2 O 3 and MgO being 94 wt. %.
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