Lightweight refractory and process for producing the same

Details Lightweight refractory and process for producing the same Lightweight refractory and process for producing the same

1988-02-18

1989-07-18

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Refractory

501128, 501133, C04B 3518

Patent

active

048493821

ABSTRACT:
A lightweight refractory is disclosed which is a shaped porous body having refractory particles and aluminous short fibers bound to each other with mullite. The crtystalline structure of the refractory is chiefly composed of mullite and corundum. The mullite content is at least 12 mol % of the sum of mullite and corundum. The refractory is substantially free of free silica.

REFERENCES:
patent: 3231401 (1964-06-01), Price et al.
patent: 3758318 (1973-09-01), Farris et al.
patent: 3920578 (1975-11-01), Yates
patent: 4384046 (1983-05-01), Nakagami

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