The anodic oxidation surface treatment process refers to a process in which an oxide film layer is formed on the surface under the action of an applied current in an electrolyte solution. The metal oxide film changes the surface state and performance of the workpiece, improves corrosion resistance, enhances wear resistance and hardness, and protects the metal surface.
1. Strong stability, good corrosion resistance and wear resistance
2. The color is rich and colorful, because the oxide film on the surface of the sign can adsorb many colors of oxide film and can adsorb many colors of dyes, so aluminum products can be made into colorful signs. This layer of color is both a protective film and a decorative film.
3. The surface hardness and thickness of the oxidized metal logo tags are strong, and it is resistant to scratches and abrasion.
4. The oxidized sign has a larger resistance, thus forming an insulating layer
5. Oxidation signs are healthy and environmentally friendly, and do not contain harmful metal elements such as chromium, mercury, cadmium, etc.
6. The signs are of high cleanliness, not easy to be dirty, not easy to absorb dust, at the same time anti-static, easy to clean.
Degreasing + chemical polishing + alkaline corrosion + anodic oxidation + dyeing pretreatment + dyeing + sealing + drying
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