Painting spray, made of nitrocellulose, resin, pigment, solvent, etc. It is usually sprayed evenly on the surface of the object with a spray gun. It is resistant to water, oil and dries quickly. It is used to paint cars, airplanes, wood, leather, etc. The substance is toxic and has a certain impact on the body. Different brands of spray paint have different toxicity due to different composition content. Special attention should be paid to safety during use, and avoid inhalation and skin contact.
Powder coating is a surface treatment method for spraying plastic powder on parts. The treatment process is a kind of metal surface treatment decoration technology that has been widely adopted in the world since the 1980s. Compared with ordinary spray paint surface treatment, this technology has advantages in advanced technology, energy saving, high efficiency, safety and reliability, and bright color. Therefore, it is often used in the fields of light industry and home decoration.
1. The powder coating process is slightly more complicated, but the quality is better, and the service life of the finished product is much longer than that of spraying paint. The surface adhesion is strong, not easy to burn, and can protect the metal surface for a long time.
2. Powder coating is safer and more environmentally friendly. The paint contains certain organic solvents, which are easily volatile in the air and produce exhaust gas. The environmental protection is poor, and the fire hazard is higher than that of powder coating.
3. The leveling of spray paint is better than powder coating. The solvents, additives, and the molecular structure of resins used in spray paint are all very helpful to leveling. The powder coating does not, so it often has an orange pattern effect.
4. Spray paint can be repaired, but powder coating cannot. In the process of painting, pitting or scratches caused by excessive air film can be repaired at any time, because the paint has the function of recoating.
5. The flexibility (bending) of spray paint is better than powder coating.
6. The decoration of spray paint is relatively rich. The appearance color of spray paint is dozens of times more than powder coating, and the same material can be made into different effects. For example, plastic, wood, paper, cloth, leather and other non-metallic materials can be made into aluminum effect.