polyurea spray paint Polyurea CoatingName:Polyurea coatingCategory:Polyurea CoatingDetail: 1. Model NumberSP-7812special use for high-speed railway; rapid transit railways,trestle, overhead road, expressway,concrete bridge,bridge deck,cable duct, public facilities etc. 2. Model NumberSP-7811special use for high-speed railway; rapid transit railways,concrete bridge,bridge deck,cable duct,anti ...