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The commonly used coatings for magnets are nickel coating and zinc coating. In addition, a small number of customers choose chrome plating. Today, we mainly talk about the difference between chrome coating and nickel coating for magnets, and which coating is better.
In the actual process, the performance of nickel plating will be more excellent, which is embodied in the bonding force with the substrate. The properties and toughness will not easily produce cracks and peeling.
Chrome plating is not useless. It is better than nickel plating in terms of wear resistance and has a bright surface. It is generally used for decoration, jewelry, cosmetics, etc. Its disadvantage is that the price of chrome plating is higher, the thickness of 12-15um is thinner, and the surface roughness is required. High, and will not be used in many cases.
No need for chrome plating, if brocade plating suffices.
Learn more about magnet coating thickness, color, salt spray resistance time: https://www.dgcourage.com/about/coating/
Introduction of relevant magnet coatings;
Advantages and disadvantages of nickel coating on neodymium magnets
Will the magnet coating (plating) affect the magnetic strength of the magnet?
You are now seeing the specifications of this magnet ring OD 13mm, bore diameter 8mm, thickness of 3.5mm, the surface of the black epoxy, due to the reason of the photo may look like a ferrite, the actual bonded ring magnets, suitable for a variety of types of motor, sensor, and electric appliances....
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N42SH grade radial hollow cylindrical magnet 6.3x3x11mm for high speed motors...
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