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The surface coating of NdFeb magnet is introduced

What are the treatment methods of Ndfeb strong magnetic surface? What is the best coating on a magnet? What are the colors of the electromagnet coating? What is more resistant to salt spray and corrosion by magnetic plating? Can ndFeb not electroplate? This article will answer all of them.


1. What are the treatment methods of Ndfeb strong magnetic surface?


At present, the production of Neodymium iron boron electroplating mainly adopts three major processes or process combinations: galvanization, "nickel + copper + nickel" plating, "nickel + copper + chemical nickel" plating, others such as gold plating, silver plating, tin plating, black nickel plating, black epoxy, etc.


2. What is the best coating on the surface of the magnet?


It's a hard question to answer, it's like the same brand of TV, 19 inches, 21 inches, which is better? It was the best fit for me.


If there is no special requirements for the magnet, galvanized will be ok, if there is a requirement for the magnet to withstand salt spray such as 48 hours, you can choose nickel plating.


3. What are the colors of each coating on the magnet?


The following table shows the color of each coating on the surface of the magnet.

Magnet coating color


4. What is more resistant to salt spray and corrosion by magnetic plating?


The following table shows the evaluation of salt spray resistance, heat resistance and corrosion resistance of the magnet

5. Can ndfeb not electroplate?


Of course, but generally recommended plating, so that the service life of the magnet will be longer, usually not electroplating is common in the sample, because no electroplating can be delivered to the sample faster, do not affect the performance of the subsequent bulk plating!


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