It applied to all of the commercial grounds, Such as brand image stores, supermarkets, KTV, hotel ... , alkaline, cleaning agents and other chemicals.(5)Sound quieting property:Their homogeneity-penetrating semi-flexible characteristic makes it not easy ... resilience %≥510PassedFire resistance, grade1 1PassedExtensibility %≥180209PassedWear resistance, mm≤108Passed commercial advertising PVC flooring