| 摘要 |
<p>1,186,685. Lime compositions. HOUILLERES DU BASSIN DU NORD ET DU PAS-DE-CALAIS. 10 April, 1967 [19 April, 1966], No. 16236/67. Heading C1H. A building material is obtained by mixing fly ash and/or roasted floating shale with lime, adding water to form a paste, shaping, drying to eliminate up to 30% of the water, and allowing the shape to harden. Through drying can follow, which is preferably at 350-150‹ C. and can be succeeded by baking at at least 1020‹ C. Preferred proportions are ash and/or shale 94-96%, and lime 4-6%, to which 11-13% of water is added.</p> |
