Low thermal conductivity, high strength refractory castable comp

Details Low thermal conductivity, high strength refractory castable comp Low thermal conductivity, high strength refractory castable comp

1989-02-06

1991-02-12

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Refractory

501128, 501129, 501133, 106692, C04B 3514, C04B 3544

Patent

active

049923978

ABSTRACT:
A low thermal conductivity, high strength refractory castable composition with high abrasion resistance consisting essentially of about 55 to 80% by weight amorphous silica, about 5 to 25% by weight of a calcined alumino-silicate aggregate having a density of about 30 to 70 pcf and a particle size of about -10 to +65 mesh, about 5 to 40% by weight of calcined fireclay fines, about 1 to 10% by weight of a flow aid for particle packing, and about 5 to 25% by weight of a calcium aluminate cement.

REFERENCES:
patent: 4656146 (1987-04-01), Schlett et al.
patent: 4680279 (1987-07-01), Kleeb

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