Email:jessy@jshengda.comWuxi Hengda Liquid-Purification Chemical Plant

Wuxi Hengda Liquid-Purification Chemical Plant

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Add:Nanyuan,Donggang Town,Xishan District,Wuxi City,Jiangsu,China

Tel:+86-510-88791885

Fax:+86-510-88797957

Contact Person: JessyZhou

Phone:+8613372272718

Email:jessy@jshengda.com


Comparison of Stainless Steel Passivation and Anti-rust Oil

Stainless steel passivation is a new process to replace physical anti-rust oil. The principle is to use the oxidizing substances in the passivation solution to promote the conversion of active metal ions on the metal surface into a passive state, thereby delaying metal corrosion.At the same time, it is also a kind of micro-chemical reaction, which does not change the molecular structure of the material, but only combines oxygen and active metal elements in the material to produce metal oxidation.This layer of oxidation is a passivated state, which can separate the metal from the corrosive medium and prevent the metal from directly contacting the corrosive medium, so that the metal basically stops dissolving to form a passive state to prevent corrosion.

 

Comparing the stainless steel passivation with the anti-rust oil, it can be found that the passivation solution can be cost-effective because it is stable and non-volatile and can be reused;The processed workpiece does not change color, does not increase thickness, and the surface is cleaner, which can greatly increase the added value and precision of the product, but the anti-rust oil will change the workpiece size.

 

The conversion film formed by stainless steel passivation is more robust, not easy to be removed and destroyed, and the performance is more stable.Anti-rust oil is not easy to handle during production, and the formed protective film is also easily destroyed.In comparison with corrosion resistance, the anti-rust oil will be slightly higher, but with the development of technology,the corrosion resistance of stainless steel passivation is also getting higher and higher.http://www.hdpicklingpassivation.com/


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