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In addition, it can also refer to the phenomenon of an active metal or alloy in which the chemical activity is greatly reduced and becomes a noble metal state1. For example, cold concentrated sulfuric acid, cold concentrated nitric acid, iron and aluminum can all cause passivation.
In addition, it can also refer to the phenomenon of an active metal or alloy in which the chemical activity is greatly reduced and becomes a noble metal state1. For example, cold concentrated sulfuric acid, cold concentrated nitric acid, iron and aluminum can all cause passivation.
(1) Compared with the traditional physical sealing method, passivation treatment has the characteristics of absolutely not increasing the thickness of the workpiece and changing the color, improving the precision and added value of the product, making the operation more convenient;
(2) Since the passivation process is carried out in a non-reactive state, the passivation agent can be added and used repeatedly, so the life is longer and the cost is more economical.
(3) Passivation promotes the formation of an oxygen molecular structure passivation film on the metal surface. The film layer is dense and stable in performance, and it also has a self-repairing effect in the air. Therefore, compared with the traditional method of applying anti-rust oil, passivation forms The passivation film is more stable and corrosion-resistant.
(1) Compared with the traditional physical sealing method, passivation treatment has the characteristics of absolutely not increasing the thickness of the workpiece and changing the color, improving the precision and added value of the product, making the operation more convenient;
(2) Since the passivation process is carried out in a non-reactive state, the passivation agent can be added and used repeatedly, so the life is longer and the cost is more economical.
(3) Passivation promotes the formation of an oxygen molecular structure passivation film on the metal surface. The film layer is dense and stable in performance, and it also has a self-repairing effect in the air. Therefore, compared with the traditional method of applying anti-rust oil, passivation forms The passivation film is more stable and corrosion-resistant.
1,Metal anti-rust treatment: Metal passivation is an effective anti-rust treatment method that protects metal surfaces from corrosion and oxidation. For example, body and engine parts in the automotive manufacturing industry require metal passivation to extend their service life.
2, Electronics industry: In the manufacturing process of electronic components, metal passivation is used to make solder joints and pins. Through metal passivation treatment, the conductivity and corrosion resistance of components can be improved, thereby improving the reliability and life of the product.
3, Medical devices: In the production process of medical devices, metal passivation is widely used. For example, the surfaces of surgical instruments require passivation to prevent cross-contamination and corrosion.
4, In industrial manufacturing, construction, transportation, aerospace and other fields, passivation treatment is widely used to prevent metal rust and corrosion.
1,Metal anti-rust treatment: Metal passivation is an effective anti-rust treatment method that protects metal surfaces from corrosion and oxidation. For example, body and engine parts in the automotive manufacturing industry require metal passivation to extend their service life.
2, Electronics industry: In the manufacturing process of electronic components, metal passivation is used to make solder joints and pins. Through metal passivation treatment, the conductivity and corrosion resistance of components can be improved, thereby improving the reliability and life of the product.
3, Medical devices: In the production process of medical devices, metal passivation is widely used. For example, the surfaces of surgical instruments require passivation to prevent cross-contamination and corrosion.
4, In industrial manufacturing, construction, transportation, aerospace and other fields, passivation treatment is widely used to prevent metal rust and corrosion.
