| 摘要 |
<p>The present invention relates to building industry, in particular, to production of construction items and concrete mouldings. The composition for construction items and concrete mouldings including cement, filler and water, consists of (in weight %): cement - 5-20 polystyrene - 20-80 filler - 10-40 additives to concrete mass, less than - 0,5 adhesive, less than - 0,1 pigments, less than - 0,4 water - the rest amount. In composition claimed polystyrene is in form of swelling granules withdiameter of 2-10 mm; filler is optionally, sand, granitedust, granite, stone, gravel or macadam or a mixture thereof; additives are, optionally, materials based on sythetic tensides and/or polycarboxylates.</p> |
