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Ndfeb magnets anticorrosion plating method

by:Newland     2020-04-21
The invention relates to a method used in ndfeb magnets anticorrosion plating. It includes pretreatment, nano composite plating, tin plating, bright nickel plating several steps. Product is obtained by the method of the present invention extremely excellent anticorrosive performance, under the same corrosion effect, the thickness of the coating only need traditional multilayer nickel 60 ~ 70% of total thickness, on the premise of improve product quality, reduce the plating time, at the same time to save the expensive metal nickel or copper, reduce the cost. www。 yirongciye。 com
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