Dry mortar mixture for preparing floor mortars and adhesive with stronger properties, by making use of recycled foundry sand as a superior component

摘要

Dry mortar mixture used to prepare fresh, allover, thin-layer mortar to improve its strength properties and providing better grip and less friability, wherein the mixture comprises 10 to 30 weight percent of overburned silica sand from foundries of a total weight of mixture. Such product has better qualitative properties, better cohesive properties and with greater dryness and a prolonged storage period is obtained.