Surface protection of springs
2022-11-11
The spring surface can be treated, such as blackening (blue), phosphating, electroplating, spraying, etc. In recent years, the zn-Cr film < DACROMET> Dacromet protective layer has excellent corrosion resistance, which is 7-10 times that of traditional electroplating, and there is no hydrogen embrittlement of electroplating process. And strong adhesion, especially suitable for elastic material surface protection.
Surface treatment main characteristics and uses corrosion resistance characteristics oxidation treatment < black, blue > commonly used spring protection is generally kept in the air for 3 months, electroplating for higher protection in the general air medium protection for 3 months ~2 years. Phosphating treatment anti-embroidery ability is higher than oxidation treatment, resistance to 400℃ high temperature is generally used for important purposes of parts protection such as gun parts, or as other protective layer before the treatment of non-metallic protective layer, paint, spray, electrophoresis paint and other corrosion resistance is strong, wide application surface corrosion resistance is strong, especially electrophoresis paint, paint, paint, paint, paint, paint, paint, paint, paint, paint, paint, paint, paint, paint, paint, paint, paint, paint, paint, paint, paint, paint, etc. At present, the special antirust oil protection used in the pre-treatment of automobile surface is often used in the refrigerator press spring without hydrogen embrittlement, simple process, environmental protection and pollution-free production
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