A lot of time we use stainless steel filter processing into a wide range of products, the surface of the product after welding, there will be a weld, affecting the overall appearance of the product, while stainless steel filter products for a long time after use, sometimes the surface rust Trace phenomenon, if you remove these affect the beautiful spots?
There are two commonly used pickling methods: acid and sour cream. Acid pickling is divided into dip and scrub.
Stainless steel filter immersion method: practical for small parts, the workpiece in the wash tank soak 25-40 minutes, pulled out after the net with water.
Stainless steel filter scrub: practical for large-scale parts, with a brush or mop repeatedly scrub, to be white bright color, rinse with water.
Acid pickling is also useful for large-scale components, the acid paste applied to the appearance of the appearance, pause for a few minutes and then rinse with water.
Pickling after the need to passivation treatment to wash the surface of the composition of a layer of colorless dense oxide film.