Hardware spraying is a common surface treatment process, and its necessity is mainly reflected in the following aspects:
1. **Protective effect**: Spraying can form a protective film on the surface of hardware, effectively isolating moisture, oxygen and other corrosive media in the air, thereby extending the service life of hardware. This coating can not only protect the hardware from corrosion, but also improve its wear resistance and reduce wear.
2. **Decorative effect**: Spraying can provide a variety of colors and gloss effects, enhance the beauty of hardware, and make it better integrated into different decorative styles. Through spraying, different colors and textures can be given to hardware to enhance the overall appearance of the product.
3. **Functional improvement**: In addition to the basic protective and decorative effects, spraying can also give hardware additional functions as needed, such as fireproofing, waterproofing, insulation, etc. These functions can meet the needs of specific application scenarios.
4. **Improving adhesion**: Through surface treatment before spraying, such as degreasing, rust removal, phosphating, etc., the adhesion between the coating and the surface of the hardware can be increased to ensure the uniformity and durability of the coating.
5. **Environmental protection trend**: Modern spraying technology pays more and more attention to environmental protection, adopts environmentally friendly materials such as water-based paint and powder paint to reduce the impact on the environment.
6. **Improve market competitiveness**: High-quality spraying technology can improve the overall quality of hardware and enhance the market competitiveness of products.
In summary, hardware spraying can not only improve the beauty and durability of products, but also increase the added value of products. It is an indispensable and important link in the hardware manufacturing industry.