Sheet metal electrophoresis is an electrophoretic process and a widely used coating method used to protect the surface of sheet metal and give it a decorative appearance. Sheet metal electrophoresis is often used to provide superior corrosion resistance, scratch resistance and improved resistance to environmental conditions. It also allows metal surfaces to be coated with decorative finishes. The sheet metal electrophoresis process is commonly used in industries such as automotive, household appliances, furniture, metal finishing and construction.
The cathodic electrodeposition coating method uses a DC power supply to realize the electrodeposition effect by moving the positively charged water molecules in the aqueous solution from the negative electrode to the positive electrode to form a current circuit. When the negatively charged particles reach the positive electrolyte interface, a uniform iron oxide film is generated by the reaction. Anodic electrodeposition coating is a special method of electrophoresis using the principle of potential difference between the positive and negative electrodes of cations dissolved in aqueous medium by the action of applied voltage. The advantages of this method are high efficiency, fast speed and other advantages, which are suitable for batch production in the production line of the tooling manufacturer. The disadvantage is that the production cost is higher. Another thing to note is that both types of coating process use chemical reagents as auxiliary agents.
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