| abstract |
The present invention provides a polyurethane cement composition having a glossiness of 5.0 or more and having high stain resistance, that is, high decontamination property. SOLUTION: In a polyurethane cement containing hydraulic cement, water, polyol, aggregate, and isocyanate compound, a coated flooring material having a 60 ° specular gloss after curing of 5.0 or more and 90 or less, and the polyol is water dispersible. A polyurethane-based cement composition in which the isocyanate compound is polymeric MDI, 2,4′-MDI of the polymeric MDI is 6% by weight or less and the NCO weight% is 25% or less. [Selection figure] None |