The application of solvent free polyurethane coating in the field of anticorrosion coating for ductile iron pipes and the progress of this painting technology were introduced in this paper.

• 介绍了国内外无溶剂聚氨酯涂料在球墨铸铁管防腐领域的应用情况以及此涂料涂装工艺的研究进展。