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The composition and method in order to darkness color converts the zinc or other active metal and to grant corrosion-resistant characteristic
The composition and method in order to darkness color converts the zinc or other active metal and to grant corrosion-resistant characteristic
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机译:为了使颜色变暗的成分和方法将锌或其他活性金属转化为耐腐蚀性能
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摘要
Although the zinc or other active metal surface to darkness color is made to convert, at the same time corrosion-resistant characteristic is granted to that, method and the composition which are useful are disclosed. This composition ammonium chloride approximately 0.1 percent - approximately 5 percent, includes the aqueous solution which contains ammonium molybdate approximately 0.1 percent - approximately 5 percent. This composition uses the ratio of concentration of specification of ammonium chloride and the ammonium molybdate.
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