Coating compound for silica bricks

Details Coating compound for silica bricks Coating compound for silica bricks

1981-08-14

1983-01-25

Hoffman, James R.

Coating processes

Interior of hollow article coating

427379, B05D 302, B05D 102, B05D 722, B05D 128

Patent

active

043703631

ABSTRACT:
A coating compound for silica bricks, particularly silica bricks intended for use in the construction of pitch coke ovens, where it is necessary to protect the bricks against penetration of liquid and gaseous substances and impede the formation of graphite incrustations. The bricks are coated with a suspension of water-glass powder and glass powder together with a stabilizer such as hydroxyethyl cellulose in a concentrated water solution. After being coated with the suspension, the bricks are dried and baked to produce a substantially sealed and smooth surface.

REFERENCES:
patent: 1761343 (1930-06-01), Holzapfel
patent: 3663290 (1972-05-01), Klinge

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