CEMENT-BASED MORTAR COMPOSITION HAVING FAST CURING PROPERTY AND SELF LEVELING PROPERTY

摘要

PURPOSE: A cement-based mortar composition having fast curing property and self leveling property is provided, which prevents exudations, cracks and exfoliation, and flotation of fine material. CONSTITUTION: The cement-based mortar composition comprises 100pts.wt. of cement, 50-250pts.wt. of silica, 10-100pts.wt. of lime stone, 10-200pts.wt. of a mixture powder of a calcium/alumina-based compound and calcium sulfate, 1.0-5.0pts.wt. of an organic admixture, 1.0-25.0pts.wt. of a vinylester-based copolymer. The organic admixture comprises a dispersant, a thickener, an antifoaming agent, and a retarder.