Coke oven patching and sealing material

Details Coke oven patching and sealing material Coke oven patching and sealing material

1978-08-02

1980-10-28

Peters, G. O.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 55, 106 69, 264 30, F27D 116, C04B 1902

Patent

active

042304989

ABSTRACT:
A patching composition for developing a superior bond with silica refractories at temperatures of 1200.degree. to 2400.degree. F. The composition comprises three basic components: (1) a high melting phase, e.g. silica brick, fireclay grog, magnesia or high alumina grain, (2) a bonding component, e.g. sodium silicate and (3) a low melting phase, e.g. window glass. It will generally be desirable to employ a fourth component for fluxing, such as soda ash or other alkaline earth compounds. The improved results are achieved by the use primarily, of a low melting phase such as window glass, bulb glass or lead glass having a softening point between about 900.degree. and 1750.degree. F. (482.degree. to 954.degree. C.), employed in an amount of about 6 to 25% of the total solids composition.

REFERENCES:
patent: 2516892 (1950-08-01), Lobaugh
patent: 3361583 (1968-01-01), Elarde et al.
patent: 3793040 (1974-02-01), Burrows
patent: 3814613 (1974-06-01), Hubble et al.
patent: 4143104 (1979-03-01), Konijenburg et al.

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