Introduction to the formula of gypsum-based Self-leveling Screed
Key words
Gypsum-based self-leveling screed, desulfurized gypsum, fluorine gypsum
Both desulfurized gypsum and fluorine gypsum are industrial by-products. If they are not reused, they will lead to environmental pollution and waste of resources. Since both of these two kinds of gypsum contain impurities that affect their performance, it is necessary to find a formula suitable for their performance in order to be applied on a large scale.
Recipe options:
Main material: desulfurization gypsum (calcium sulfate dihydrate) + fluorine gypsum (calcium sulfate anhydrous) + cement (sulfoaluminate cement / aluminate cement / portland cement) + slag powder
Admixtures: superplasticizer + activator (sulfate) + water retention agent (methyl cellulose) + redispersible polymer powder + defoamer (polyether modified silicon), etc.
