Improved manufacture of hydraulic cement
282,458. Wacker Ges. f³r Elektrochemische Industrie, Dr. A. Dec. 21, 1926, [Convention date]. Cements, Portland, materials for making.-Dry calcium hydroxide which has been obtained in making acetylene from calcium carbide by treatment with a small proportion of water is mixed with clay or other sili...
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Zusammenfassung: | 282,458. Wacker Ges. f³r Elektrochemische Industrie, Dr. A. Dec. 21, 1926, [Convention date]. Cements, Portland, materials for making.-Dry calcium hydroxide which has been obtained in making acetylene from calcium carbide by treatment with a small proportion of water is mixed with clay or other siliceous and aluminiferous material to form Portland cement. |
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