Abstract
Moulded microporous samples composed of calcium silicates, xonotlite, and tobermorite, wereformed by a one-step hydrothermal synthesis reaction. The properties obtained are: 0·131–0·191 kg m−3 density, 0·51–0·90 MN m−2 compressive strength, 0·25–0·40 MN m−2 flexural strength, 0·0462 Wm −1 K−1 (24°C) thermal conductivity, and 1·93% linear shrinkage under firing temperature 800°C for 24 h. The process developed was made possible by the use of accelerating admixtures, which include magnesium acetate and gypsum.
MST/1133
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