The sheet metal processing industry has developed rapidly in recent years, and people pay more and more attention to it. For example, surface treatment technology in sheet metal processing, what is its technological operation process?
There are many surface treatments specially for sheet metal parts. The phosphate coating is commonly used, which is also the phosphating treatment we often talk about. The treated workpiece will have a layer of phosphate film, which makes the performance of the workpiece increased in all aspects, which is due to the good properties of the phosphate film.
For example, its corrosion resistance is very good, but it can not withstand acid; because the phosphate film has a porous structure, it has better adsorption; and it has a significant effect on electrical insulation; more importantly, this substance does not adhere to the molten metal, so it can protect the parts that do not need to be impregnated.
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