1, with the steel pipe substrate has very good adhesion, adhesion level 1. 2, good leveling, high gloss coating surface, high surface hardness, coating density is high. 3, good mechanical performance, flexibility is strong. 4, good outdoor weatherability, excellent chemical resistance. 5, good powder floating, spraying area is large, can effectively reduce the dust pollution during the process of spraying. June, have certain flame retardant and smoke effect.