| 摘要 |
<p>A mixt. for prodn. of wood concrete screeds consists of a hydraulic binder and an aggregate mix of dedusted and impregnated wood flakes of pref. 4-8 mm. size, rigid foam material (e.g. styropor) in granulate or flake form, .and ceramic chips (pref. of brick, gas concrete, perlite, pumice, expanded clay or slag). ADVANTAGE - The mixt. exhibits reduced tendency for bubble and crack formation and has high wear resistance.</p> |
