Fire - and isolierbetonversaetze, a method for the production of fire - and insulating concrete stones and their use as finished components for industrial furnaces

摘要

1. Refractory and insulation concrete mixtures which contain binders and refractory aggregates and which can be hardened in a hydrothermal manner, characterized in that they contain as binders a mixture of calcium hydroxides and aluminium hydroxides with a CaO:Al2 O3 molar ratio of 1,5:1 to 1:3.