| 摘要 |
<p>Modifier for hydraulic binders according to the main patent FR 69/03511, to which wood fibre is added during mineralisation of the binder to produce a light-weight concrete. The modifier may be aluminium sulphate or potash, urea, acetate, formate, aluminate, carbonate, lignosulphite, lignosulphate, permanganate, or stearate.</p> |
