... coatingCategory:Polyurea CoatingDetail: 1. Model NumberSP-7812special use for high-speed railway; rapid transit railways,trestle, overhead road ... and smelt industry etc. 5. Model NumberSP-7825special use for steel-pipe pile, oil and gas transportation pipeline, waste pipe ... ships deck etc. 6. Model NumberSP-7824special use for trestle, overhead road, expressway,concrete bridge,bridge deck,cross ...