Production of non-wettable refractories

Details Production of non-wettable refractories Production of non-wettable refractories

1993-09-16

1995-04-04

Beck, Shrive

Coating processes

Heat decomposition of applied coating or base material

427299, 427337, 427399, 427430, B05D 500, B05D 118

Patent

active

054036186

ABSTRACT:
A method for the production of refractory products, non-reactive with molten aluminum, other molten metals and with molten alloys is provided. A formed refractory product is made non-reactive to molten metals/alloys by impregnating the product with a solution containing fluosilicic acid, fluoroboric acid, hydrogen fluoride and mixtures thereof, and subsequent heating of the impregnated product to cause the formation of non-reactive surface.

REFERENCES:
patent: 3535154 (1970-10-01), Meyer-Simon et al.
patent: 4492721 (1985-01-01), Joosten et al.
patent: 4681819 (1987-07-01), Gnyra
patent: 5033721 (1991-07-01), Gnyra
patent: 5164233 (1992-11-01), Sonuparlak et al.
patent: 5221558 (1993-06-01), Sonuparlak et al.
The Condensed Chemical Dictionary, 10th Edition, copyright 1981, pp. 544, 634.

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