| 摘要 |
In the production of binder-bound shaped articles, ultimate shrinkage dimensions, which are greater than in the case of burned bricks, occur during hardening in the autoclave and after hardening. This ultimate shrinkage dimension is, surprisingly, markedly reduced if, during the production, other binders such as, in particular, solid potash waterglass and, if desired, calcium chloride and calcium lignin-sulphonate are added in addition to the known burnt lime. It is surprising that in this case the further values characterising such shaped articles, such as the flexural strength and the compressive strength, are clearly above those of products from the normal production of sand-lime bricks.
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