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Advantages of Dacromet coating

Views: 2     Author: Site Editor     Publish Time: 2024-10-25      Origin: Site

1. Excellent corrosion resistance: Although the thickness of the Dacromet film layer is only 4-8 μ m, its rust prevention effect is 7-10 times higher than that of traditional electroplating, hot-dip galvanizing, or coating methods. After more than 1200 hours of salt spray resistance test, no red rust appeared.

2. Good heat resistance: It can withstand high temperature corrosion, with a heat resistance temperature of over 300 ℃. Its appearance remains almost unchanged after long-term use at 250 ℃, and it has strong corrosion resistance. However, the traditional galvanizing process peels off and is scrapped when the temperature reaches 100 ℃.

3. No hydrogen embrittlement: The treatment process determines that there is no hydrogen embrittlement phenomenon, which is very suitable for coating stressed parts and avoids the danger of hydrogen embrittlement in high-strength steel during pickling and electroplating processes.

4. Good adhesion and recoating performance: It has good adhesion with the metal substrate and strong adhesion with other additional coatings. The processed parts are easy to spray and color, and the adhesion with organic coatings even exceeds that of phosphating film.

5. Good permeability: It can enter deep holes, narrow slits of workpieces, and the inner walls of pipe fittings to form a good protective film, solving the problem of poor coating and depth capabilities in electroplating processes.

6. Pollution free and pollution-free: During the entire process of production, processing, and workpiece coating, there will be no wastewater or exhaust gas that pollutes the environment, and there is no need to treat the three wastes, reducing treatment costs.

7. Good weather resistance: It can withstand the erosion of sulfur dioxide, acid rain, smoke, and dust. Its sulfur dioxide resistance test can last up to 3 cycles, and it also has a certain degree of corrosion resistance to chemicals, gasoline, and engine oil.

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