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Ndfeb surface plating is how to choose the effect better

by:Newland     2020-04-17
Ndfeb magnets because corrosion resistance function is poor, so are generally require anticorrosion plating, so the question comes, plated magnets with what should I do then? What is the best effect to plating? What about ndfeb plating coating surface effect is good, first we should know what can be plated ndfeb? What are common coating ndfeb magnet? Strong ndfeb magnets plating nickel plating, copper, chromium, gold, black zinc, blue white zinc, epoxy resin, etc. The different plating, color on the surface of the magnet will differ, save also has a long length of time. NI, zinc, epoxy resin, through comparative study NI, zinc, epoxy resin, PARYLENE - C coating of ndfeb magnets in three kinds of solution for the influence of the magnetic. Polymer materials>>> NI coating epoxy resin results show that the zinc coating in the acid, alkali, salt environment, polymer coating to protect magnet effect is best, epoxy resin is relatively worse, NI coating, zinc coating is relatively poor. Zinc salt spray testing machine: the surface looks is silvery white, can do 12 - 48 hours salt fog, can be used in some glue adhesive, ( Such as AB glue) Such as electroplating good can be stored for two years to five years. 'An inset jades plating? 'Nickel galvanized ndfeb magnet sink hole products: looks like stainless steel color, put in the air surface are difficult to oxidation, and good-looking appearance, good gloss, electroplating a 12 - — 72 hours salt spray test. Its disadvantage is that cannot be used and some glue adhesive, this will make the coating fall off. Advantages: good appearance faults: copper coating is easy to fall off, more appear in the hardware industry, ndfeb industry rarely used, its appearance is yellow. Rarely used chrome yellow appearance: chromium electroplating industry is relatively rare, its cost is very high, generally accepted by the company. Put ability is very strong, but it is very difficult to react with other substances. Mainly used in places strong acidity. Usually choose this. Rare black zinc: surface treatment is according to the customer request the product as black, in the electroplating process is mainly on the basis of galvanized by chemical treatment to add a layer of protective film, black also can protect the membrane products do use, salt fog growth time, prolonged by oxidation. But its surface is easy to be scratched, losing its protective function. Now use a person with very little, mostly replaced by resin. In black for the most part by resin instead of gold: we saw some of the stalls gold-plated bracelet mostly yellow gold or copper. Gold-plated products appearance looks just like gold is very beautiful, more commonly used in hand act the role of industry, our products can be gold-plated, used for magnetic jewelry. Can be used as magnetic jewelry epoxy resin: the product is in nickel plating and then add a layer of resin paint, outside the industry in the past two years have a market, its development is very fast, a lot of people are now used in all kinds of plating products, its biggest advantage is can do the color you want. Advantage: all sorts of color can be according to need not use environment to select the appropriate coating. Not the manufacturer of the plating is not the same, the main reason is the chamfer and the length of the plating time, under the condition of without knowing the magnet electroplating, we should be how to distinguish the plating quality, there are one of the most simple and quick way is to see coating, coating quality is better, the brighter the said so in choosing a magnet when ordering, as far as possible choose industry more awareness of enterprises in order to guarantee the quality of the coating.
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