Corrosion resistant castable refractory mix

Details Corrosion resistant castable refractory mix Corrosion resistant castable refractory mix

1977-01-17

1978-05-09

Garvin, Patrick P.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106104, 106 55, C04B 3502, C04B 732, C04B 3502

Patent

active

040885020

ABSTRACT:
A corrosion resistant castable refractory mix is provided comprising a particulate mixture capable of mixture with water to form a castable refractory having enhanced corrosion resistance to molten aluminum. The mixture consists essentially of 20-34 parts by weight calcium aluminate, 6-10 parts by weight of a zinc borosilicate frit, and 60-70 parts by weight fused silica. The zinc borosilicate frit consists essentially of 50-60% by weight zinc oxide, 20-40% by weight boron oxide, 8-12% by weight silicon oxide, and 0-10% by weight aluminum oxide with less than 0.5% by weight of other impurities. The refractory mix contains not greater than 1% by weight impurities.

REFERENCES:
patent: 2516892 (1950-08-01), Lobaugh
patent: 2874071 (1959-02-01), Kadisch et al.
patent: 2997402 (1961-08-01), McDonald et al.
patent: 3253936 (1966-05-01), Weindel
patent: 3471306 (1969-10-01), Rubin et al.

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