A paint door, that is, a paint door panel that is heated and dried in a drying room after painting is sprayed. It has the advantages of bright color, strong visual impact, good surface finish, easy scrubbing, and good moisture-proof performance. Most paint doors use MDF as the base material. The back of the painted door is trihydroamine. The process is complex, the processing cycle is long, and the price is relatively high. There are two types of good PU paint doors: piano paint and metal (car) paint. Metal paint is superior to piano paint. 1. Without edge banding, it is divided into single-sided paint and double-sided paint. The waterproof part is sealed with edge paint, and the surface is glossy. 2. The overall effect is good, no oil pollution. It is generally divided into bright, matte, and pearl. It has visual impact. 3. The high grade and not easy to deform can be used as a bathroom cabinet, which is easy to clean and improve the brightness of the room. 4. Spray paint: It is a door panel made of polyester paint through a spraying process. There is no need to bake the surface, and the matte effect is made after it is made. Paint can generally be modulated in more than 30 colors. Currently, the best paint process is Italy.