Pumpfähiger Leichtmauermörtel der Klasse LM 21

摘要

The invention concerns a pumpable class LM 21 lightweight masonry mortar, in particular in the form of dry working mortar. The mortar has the following minimum composition relative to the total dry quantity: between 40 and 80 mass % hydraulically setting binder in the form of cement; between 5 and 20 mass % hydraulic binder in the form of calcium hydrate; between 10 and 50 mass % lightweight aggregate in the form of cellular glass granulate; between 0.1 and 0.5 mass % cellulose ether; and between 0.001 and 0.05 mass % of air void forming agents.