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What are the reasons for the appearance of precipitation on the surface of the steel grid?

author:fljs   add time:2016-07-02 17:29:45   browse:


        1, under the general situation of galvanized steel plate surface to speak, which is not how to clean thoroughly, however, the contents of the so-called the workpiece surface is called an oxide film, which has been affected the zinc deposition is normal;

        2, the second is in itself in terms of carbon content is relatively high, but certainly will reduce the potential related, if the situation occurs when the speed of workpiece surface, then the current efficiency is certainly will continue to decrease;

        3, if the steel grid plate which emissions state is not correct, when binding among too dense when the local steel plate are blocked and slowly cause the coating is too thin what happens.

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