| 摘要 |
<p>The invention relates to a process for the preparation of a mixture of substances for a mouldable working material in a condition from pasty to flowing after the addition of water, and which after this hardens, with fibrous material agglutinated with cement or plaster, the mixture containing at least the following components: a) organic fibrous material containing organic agglutinants, preferably waste paper, b) fibrous material obtained from a molten mineral mass (mineral wool) and/or fibre powder; c) cement and/or plaster, and d) very fine grained quartz sand.</p> |
