Chromia-magnesia ramming cement

Details Chromia-magnesia ramming cement Chromia-magnesia ramming cement

1983-06-13

1985-03-26

Kaplan, G. L.

Compositions: ceramic

Ceramic compositions

Refractory

501111, 106 85, C04B 3504, C04B 3542

Patent

active

045073953

ABSTRACT:
A raw batch for a ramming cement is shown adapted to be fired in place to protect studded boiler tubes and the like. The fired cement includes a major proportion of a particulate chromia-magnesia spinel that is bonded in-situ with a clay phase including kaolinite and montmorillonite components and a reacted chromia and magnesia compound together with sodium hexametaphosphate.

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patent: 4235636 (1980-11-01), Friedrick et al.

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