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Ndfeb magnet electric plating peeling and rust is what reason

by:Newland     2020-04-29
Ndfeb magnets containing a higher iron content, its oxidation resistance is poor, therefore used in many occasions, the permanent magnet on the surface treatment. And with the most is plating surface treatment solution. Due to the summary of working temperature sensitive, the highest temperature environment of the instant and continuous maximum temperature are may produce different degrees of magnet demagnetization, including the reversible and irreversible, recoverable and unrecoverable. Qualified plating products, under normal circumstances, plating coating should not be rust spots. In too humid, air liquidity is not good, when the temperature difference is bigger, even the salt fog test qualified products long stored in the bad environment can produce rusty spot. When plating products stored in a harsh environment, base layer to further react with water, will cause the base layer and the adhesion strength of the coating is reduced, serious when still can cause local pulverization, basal and natural peeling. Electroplating products should not be placed in high humidity places for a long time, should be placed in a cool, dry place. www。 yirongciye。 com
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