New Era in Fire Protective Coatings for Steel

by William A. Rains, Manager; Special Projects, Smithers Scientific Services, Inc., Akron, Ohio,


Serial Information: Civil Engineering—ASCE, 1976, Vol. 46, Issue 9, Pg. 80-83


Document Type: Feature article

Abstract:

Building designers have been receptive to new approaches to fireproofing steel. Among alternatives to traditional fireproofing now on the market: (1)Medium density inorganic systems such as Albicrete, Madoseal and Pyrocrete, all based on either magnesium oxychloride and vermiculite cement; (2)low density inorganic systems, such as Duraspray and Pyrocrete LD, both based on magnesium oxychloride cement; and (3)organic systems which fireproof in unusual ways such as intemescence, sublimation, ablation, heat-absorbing chemical or physical reactions, transpiration, reflection of radiation. These include Albi-Clad, Chartex 59, Firex RXO 2373, Thermolag, and Korotherm. Here are the results of a study of these newcomers, sponsored by the American Iron & Steel Institute.

Subject Headings: Steel | Fire resistance | Magnesium | Cement | Building design | Transpiration | Steel structures

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