Black stripes after dip in nitric acid Conversion coating is dull.
硝酸出光后有黑色条纹,钝化不亮,低电流密度区呈灰黑色.
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Chromate conversion coating resulting in the formation of a passivating film.
铬酸盐转化镀层导致形成钝化膜.只能使用三价铬.
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A brown - yellow conversion coating was obtained on the surface of AZ 31 magnesium alloy in molybdate solution.
利用钼酸盐溶液在AZ31镁合金表面获得棕黄色的转化膜.
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Conversion coating chemically modify the metal surface and make It'suitable for painting or adhesive bonding.
涂布化学膜通过化学的方法改善钢带表面的特性并使其适合涂装并增加附着力.
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