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Ndfeb strong magnet galvanized, nickel plating, chrome plating difference _ ndfeb strong magnet manufacturers

by:Newland     2020-04-03
In ndfeb magnet electroplating electroplating generally divided into: white zinc, blue zinc, color zinc, blue white zinc, nickel, black nickel, nickel, copper and nickel, etc. , especially in the field of manufacturing of galvanized, nickel plating, and the most widely used chrome plated. And zinc nickel plating chromium plating three difference? , ndfeb magnet manufacturers below small make up to you in detail the difference between three kinds of surface treatment. Difference between the strong magnet zinc plating nickel chrome plated: a, define different: 1. Galvanized refers to the surface of metal, alloy or other material coated with a layer of zinc in surface treatment technology in one of the beautiful, rust, etc. Zinc plating passivation treatment, dyeing or after coating to protect the light agent, can significantly improve the protective and decorative. 2. Nickel plating is by electrolytic or chemical methods on the non-metallic metal or some on a layer of nickel plating method, nickel plating and electroless nickel plating nickel. Nickel plating layer stability in the air is very high, because the metal nickel has a strong ability of passivation, the surface can quickly generate a very thin layer of passivation film, resistance to atmospheric certain acid, alkali and corrosion. The polished nickel plating mirror glossy appearance, can be obtained at the same time in the atmosphere can maintain its gloss for a long time. Electrodeposited coating used for decoration. 3. Chromium plating layer with high hardness, chromium coating has good chemical stability, in alkali, sulfide, nitric acid and most organic acids are not. Two different 1, color appearance. Galvanized silvery white appearance. 2. Nickel plated silver yellow appearance. 3. Decorative chromium and chromium plating points hard chrome bright white bluish appearance. Three different, function 1. The hardness of nickel coating are relatively high, can improve the wear resistance of the surface of the product. Nickel plating is usually used in the printing industry to improve the surface hardness of lead. 2. Because the zinc in the dry air is not easy to change, so in the moist air, surface can form dense carbonate zinc film, which can effectively protect the internal from corrosion. This kind of plating method is especially suitable for all kinds of acid, alkali corrosive environments, such as the fog. 3. Chromium plating coating thin, bright, beautiful. It is usually used as the outermost layers of the multi-layer plating. For protection purpose, plated zinc base or steel substrate must have enough thick layer, and then at 0. 25 - 0. 5 the brightness of plating on the middle tier. Fourth, use different 1. Application in galvanized screws, circuit breaker, industrial supplies, etc. 2. Nickel plating is applied in energy-saving lamp holder, COINS, etc. 3. Chromium plating used in home appliances, electronic products such as light decoration, faucets and so on. Five, the conclusion: 1. Galvanized product appearance blue color is silvery white, have good rust effect; Because of the zinc in the dry air is not easy to change, so in the moist air, surface can form dense carbonate zinc film, which can effectively protect the internal from corrosion; While galvanized products have a certain amount of rust and corrosion resistance, but in some technical requirements higher situation is to use galvanized products is not recommended. 2. Chromium plating product appearance color is bright white; Better appearance bright, friction resistance, rust resistance than galvanized products, chrome plating coating thin, bright and beautiful. It is usually used as the outer layer of the multilayer electroplating. For protection purpose, plated zinc base or steel substrate must have enough thick layer, and then at 0. 25 - 0. 5 the brightness of plating on the middle tier. 3. Nickel plating product appearance color is yellow, the hardness of nickel coating are relatively high, can improve the product surface wear resistance, and corrosion resistance, good rust resistance, even in coastal areas environment is wet area and also can be used for a long time. But relatively high cost nickel plating products, use more in more expensive equipment and project. Plating surface choice generally is determined according to the use of magnet environment, using the environment request is not high, also it is not necessary to use a good plating, how you don't understand, can contact the customer service to understand.
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