Alumina refractory

Details Alumina refractory Alumina refractory

1974-10-03

1976-03-23

Poer, J.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

C04B 3510, C04B 3542

Patent

active

039458393

ABSTRACT:
A new refractory material has been prepared comprising 70 to 96% alumina, 3 to 20% iron chromite ore, and 1 to 10% of a phosphate compound, calculated as P.sub.2 O.sub.5.
The new refractory material is prepared by admixing 70% to 96% alumina, 3% to 20% iron chromite ore, and 1% to 10% of a phosphate compound selected from the group consisting of aluminium phosphate and phosphoric acid, said phosphate compound calculated at P.sub.2 O.sub.5, and firing the mixture to form the refractory product. This new refractory material has a low porosity, high bulk density and modulus of rupture.

REFERENCES:
patent: 2852401 (1958-09-01), Hansen et al.
patent: 3669889 (1972-06-01), Juzvuk et al.

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