Powder coating for automobile wheel hub Automobile wheel hub is an important component of automobile chassis and an important load-bearing component of automobile. Depending on the environment of use, the functions of the wheel hub are also different, mainly including heat dissipation, decoration, safety and other functions. Automobile wheel hub is usually made of metal, and its coating types mainly include electrostatic powder coating, thermosetting powder coating and epoxy powder coating.
Performance:
1. Due to the uncertain shape and size of the wheel hub and the large contact area between the wheel hub and the chassis, the powder coating is required to have good adhesion, flexibility and wear resistance.
2. The powder coating is required to have excellent weather resistance, that is, it can still maintain a good gloss after being stored outdoors for a certain period of time.
3. The powder coating is required to have good mechanical properties and chemical resistance.
4. The powder coating is required to be able to quickly solidify into a film during the electrostatic powder spraying process.
6. The powder coating is required to have good impact resistance, be able to resist bad weather, and prevent bulging.
8. Powder coatings are required to be used in conjunction with special primers to increase the adhesion between the coating and the substrate.
10. Powder coatings are required to have good leveling properties and low surface tension.
11. Powder coatings are required to have good decorative properties.
12. Powder coatings are required to be easy to apply and have high coating efficiency.
13. Powder coatings are required to dry quickly during application and meet environmental protection requirements.
14. Powder coatings are required to have a high curing rate and excellent adhesion.
