Glue, especially for the clinker molder

摘要

The adhesive mortar especially for shaped clinker bricks, consisting of dry cement mixture, filling materials and chemical additives and needing only addition of water, according to the invention is characterized by content, taking into consideration its mass, of 28-36% Portland cement, between 45 and 70% quartz sand with 0,1 - 1,25 mm grains, between 5 and 10% lime flour with grain-size distribution of 0,1 - 0,5 mm, and between 1 and 7% quartz flour with grain-size distribution up to 0,3 mm, between 0,2 and 0,6% modified cellulose ether, between 2 and 5% redispersion powder, between 0,05 and 0,5% hydrophobic agent based on the mixture of sodium oleate and calcium stearate, between 2,5 and 7,0% fly ash, between 0,02 and 0,06% modified starch ether, between 0,4 and 1,0% cellulose fibers, between 0,21 and 0,5% hydrophobization agent in the form of silicon powder in wax mini-capsules, between 0,05 and 0, 1 % retardants of cement binding and between 0,05 and 0,8% nanometer-sized additive belonging to the group of silicates.