HEAT INSULATING METHOD FOR HIGH TEMPERATURE STEEL MATERIAL

PURPOSE:To perform heat insulation of high temp. steel materials effectively by mixing specific inorg. fibers, alkali metallic salts, alkaline earth metallic salts and org. materials at specific ratios, and coating the mixture, with water as a medium, on the surfaces of the steel materials. CONSTITU...

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Bibliographische Detailangaben
Hauptverfasser: TAMURA NOBUZOU, YOSHIAKI TAKANORI, TAKAGI SEIHACHIROU, TAIRA TAKETOSHI, HOTSUTA YOSHITAKA, YOKOMI YUZURU, DAI MASAYA
Format: Patent
Sprache:eng
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Zusammenfassung:PURPOSE:To perform heat insulation of high temp. steel materials effectively by mixing specific inorg. fibers, alkali metallic salts, alkaline earth metallic salts and org. materials at specific ratios, and coating the mixture, with water as a medium, on the surfaces of the steel materials. CONSTITUTION:3-50pts. one or >=2 kinds of alkali metallic salts and alkaline earth metallic salts of boric acids, phosphoric acids, and silicic acids as an inorg. binder, and 0.1-10pts. one or >=2 kinds of org. materials of above 100 deg.Cb.p. or decomposition temp., for example, alpha-starch, pulp, dextrin, etc., as a peelability imparting agent based on 100pts. one or >=2 kinds of inorg. fibers such as asbestors, rock wool, glass fibers, slag wool and the like are coated, with water as a medium, on the surfaces of steel materials of 300-1,400 deg.C. The correct pickup of the heat insulating material is usually 0.1-10Kg//m .