| 摘要 |
<p>In this process, 20 to 80 % by weight of a mixture a), containing 95 to 40 % by weight of sawdust, peat dust or mixtures thereof and 5 to 60 % by weight of fly ash, granulated glass, glass wastes or mixtures thereof , with b) 80 to 20 % by weight of gypsum plaster and/or cement are mixed with one another in the dry state, at least 20 % by weight of cement being present in the mixture of a) + b), and c) a synthetic resin emulsion diluted with water then being added to the resulting mixture.</p> |
