关于涂层处理? Painting (carbon steel only) All external carbon steel surfaces to be blast clean per sp-6 commercial blast and primed within 4 hours with 4 mils dft dupont 25p epoxy mastic , color LF-63725P CIRRUS GRAY . And to be finish painted with 2.0 mil dft dupont 326 polyurethane. Color Y67633 shale gray. 红色部分类似代码的东西我不懂,求专业人士指教。 [ ]查看更多7个回答 . 5人已关注