| 摘要 |
PROBLEM TO BE SOLVED: To provide a weatherable steel stock with a long-lasting highly presentable appearance used for a bridge, various kinds of buildings and the like. SOLUTION: The weatherable resin-coated steel stock with the long-lasting a highly presentable appearance has a resin film containing a ferrous pigment, phosphoric acid, a polyvinyl butyral resin and a compatible resin with the polyvinyl butyral resin formed on the surface of the weatherable steel stock, and at least one weatherable resin film formed on the former resin film. The weatherable resin film formed as a top layer contains at least a colored pigment and an inorganic ultraviolet light screening agent. COPYRIGHT: (C)2004,JPO |
