FORFARANDE ATT MEDELST LIGNOSULFONAT PLASTICERA PORTLANDSCEMENTBLANDNINGAR OCH BRINGA DESAMMA I FLYTFORM

摘要

Portland cement mixes are liquefied and/or their viscosity lowered by addition of a lignosulfonate whose purity is at least 85 per cent, conventional additives, and an accelerator, the accelerator quantity being 0.2 to 2.0 times as high as the quantity of lignosulfonate.