Process for manufacturing a lightweight refractory product

Details Process for manufacturing a lightweight refractory product Process for manufacturing a lightweight refractory product

1979-02-14

1981-12-22

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

By gas forming or expanding

264 44, 264 59, 264117, 264DIG15, C04B 2106

Patent

active

043070515

ABSTRACT:
A process of making a highly porous yet relatively impervious refractory. The process includes taking a particulate pore-forming material or a mixture of refractory raw material with a particulate pore-forming material, providing the individual particles of the pore-forming material or agglomerates of the particles or agglomerates of the mixture with a wet exterior, coating said wet exterior with dry refractory raw material and firing the aggregate so produced.

REFERENCES:
patent: 2553759 (1951-05-01), Geiger
patent: 3528809 (1970-09-01), Farnand et al.
patent: 3666523 (1972-05-01), Nau
patent: 3887671 (1975-06-01), Metzger
patent: 4025689 (1977-05-01), Kobayashi et al.
patent: 4211738 (1980-07-01), Genis

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