| 摘要 |
<p>A hydraulic-setting composition for manufacturing an autoclave cured fibre-reinforced building board of improved dimensional stability, comprising as components: (a) a cementitious binder, (b) silica, (c) reinforcing cellulose fibres, said composition further comprising the additional components in % with respect to the total weight of the composition at dry state: (d) 8-12% of mica, (e) 4-8% of wollastonite, and (f) an amount of at least one aluminium compound capable to release AI 3+ in autoclave curing conditions, said amount being such that the dry composition comprises 0,02-2,2% of Al 3+ , as well as (g) optionally other additives, the sum of amounts of components (a) to (g) being equal to 100 weight %, and board so obtained.</p> |
