... .5mm,2.0mm,2.5mm,3.0mm 3.Wear layer:0.12mm,0.2mm,0.5 Specifications( ... that the correct use of the wear proof layer of the floor materials can resist the wear of a 7-year traffic ... load, and they are especially fit to be used in the production environment of ... stably after being extensively tested with chemicals, and are of good anti-chemical property in resisting acid, alkaline, ...