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Effect of Dacromet metal coating on steel matrix
Dacromet Metal Coating process is a new technology, according to the different coating methods can be divided into dipping, spraying, brushing and other methods. When you think about which way to choose, the first thing to consider is to cover the cylinder on the coating is the functional or decorative, but also to consider the thickness of the coating control, production speed, product shape and the required quality, carefully consider the above questions will determine which way more suitable for you.
Let's talk about the protective effect of the metal coating on the steel matrix, and summarize some of the following:
1, the barrier effect: Because flake zinc, aluminum layer overlap, hinder the water, oxygen and other corrosive medium to the substrate process, can play a kind of isolation shielding role;
2, passivation Effect: In the process of dacromet treatment of chromium and zinc, aluminum powder and matrix metal chemical reaction, the formation of compact passivation film, the passivation film has a good corrosion resistance;
3, cathodic protection: Zinc-aluminum-chromium coating is the main protective effect and galvanized layer, the main is the cathode protection of the substrate.
The above is the manufacturer's introduction of the metal coating on the steel substrate protective effect, I hope to help. If you have this need, please call us, we will serve you wholeheartedly.
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