Refractory compositions and method

Details Refractory compositions and method Refractory compositions and method

1982-03-08

1984-02-21

Poer, James

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

501111, C04B 904

Patent

active

044327994

ABSTRACT:
A basic refractory composition includes a magnesium oxide source, aluminum phosphate and an insulating material selected from the group consisting of perlite, vermiculite, diatomaceous earth, and mixtures thereof in an amount of 5.60% based on the total weight of the composition. The composition provides excellent temperature resistance while retaining unexpected strength for a magnesium oxide based chemically bound refractory material having a substantial portion of insulating material.

REFERENCES:
patent: 3923534 (1975-12-01), Cassidy
patent: 4235636 (1980-11-01), Friedrichs et al.

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