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What is Electrolytic polish?

May 6, 2023

Electropolishing (Electropolishing) is suitable for mirror polishing of 304, 316, 316L and other stainless steel materials. It has high polishing brightness and long-lasting luster. It is a technical method.

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Process characteristics

High polishing efficiency, good quality, and high gloss can be thrown within minutes. It can preferentially dissolve the dislocation of the deformation layer on the metal surface, and accumulate the equipotential structure of holes, thereby obtaining an equipotential surface, which greatly improves the corrosion resistance of stainless steel. Polishing requires devices such as voltage regulators, rectifiers, and electrolytic cells.

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The stock solution is used, the lead plate is used as the cathode (negative electrode), the workpiece is used as the anode (positive electrode), the temperature is 60-80 degrees, the current density is 15-50 ampere square decimeters, the voltage is about 10 volts, and the time is 5 minutes. Process flow: chemical degreasing→hot water washing→cold water washing→electrolytic polishing→hot water washing→cold water washing→passivation→cold water washing→hot water washing→hot pure water washing Note: Part of the process can be adjusted according to the actual situation.

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