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



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Do You Want to Know How Stainless Steel Pickling Passivation Solution Completes Pickling and Passivation?

We know that after stainless steel pickling passivation treatment, it can effectively improve the corrosion resistance of stainless steel workpiece and prolong its service life.So, do you know how to finish pickling and passivation?Many friends must be interested in this question, let's take a look at the details below.


As we know, the stainless steel material itself has excellent use performance, thus it has been widely used.However, we need to deal with it in order to ensure its service life in some workplaces.The process of pickling and passivation is often indispensable in the process of treatment.Stainless steel pickling paste is used to process stainless steel workpiece or equipment to improve its surface quality.


In the actual operation, different operations are required because of the specific circumstances.At present, there are six methods for pickling and passivation of stainless steel: impregnation, paste, brushing, showering, circulation, and electrochemistry. Among them, the impregnation method, paste method, and shower method are suitable for pickling and passivation of stainless steel chemical vessels and equipment.


For example, in the case of stainless steel pickling and passivation, the impregnation method is used usually.Stainless steel pipelines, elbows, small pieces, etc. are most suitable for this method, and have the best treatment effect.Because the treatment workpiece can be fully immersed in the pickling passivation solution, the surface reaction is complete, and the passivation film is dense and uniform.


In combination with the actual situation, the impregnation method of stainless steel pickling passivation is suitable for continuous batch operation.However, it is important to note that the new stainless steel pickling passivation solution should be continuously replenished with the decrease of the concentration of the solution to ensure the passivation effect of pickling.

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