Characteristics of
spray powder
With the strict regulations of the Environmental Protection Law on the content of organic volatiles (voc) in the atmosphere, the coating industry has been trying to develop a coating technology that is milder to the environment. After long-term research and experiments, it was found that "electrostatic powder spraying" is currently Achievable clean paint technique.
Powder coatings do not use organic solvents, water and other volatile solvents, and are inorganic solvent-based coatings, which greatly reduces the pollution caused by solvents, including the poisoning of operators caused by organic solvents; cause a fire. Since the introduction of powder coatings, there has not been a major safety accident caused by powder coatings. Electrostatic
spray powder is a coating with pure solid content, which can be fully automatically sprayed. achieve the purpose of recycling. Therefore, the coating industry can reduce the disposal cost of waste, and at the same time, the degree of environmental pollution can be reduced.
good economic benefits
Among the components formed by the coating film, the solvent-based is about 60% to 65%, and the powder coating can almost achieve the efficiency, and the powder that does not adhere to the object to be sprayed can be recycled and reused. In general, the use of powder coating technology can make the coating operation as economical and effective as possible. In the powder coating operation, if there is a poorly sprayed part, it can be blown off with an air spray gun before being baked, and then repainted. Therefore, the phenomenon of surface flow paint and dripping paint can be avoided, and the probability of repainting and rework can be greatly reduced. Since powder spraying uses electrostatic spraying, the coating equipment can be almost fully automated, saving human resources. Even if human assistance is required, the applicator does not have to undergo extensive training to acquire the operating skills. Powder coating is 100% solid composition and does not need to add any solvent, so the amount of coating is reduced, packaging is saved, and storage space is reduced.
Energy saving
Powder coatings do not produce organic volatiles and avoid waste due to volatilization into the atmosphere, so energy costs are greatly reduced compared to liquid coatings. The electrostatic spraying equipment can obtain a thick film by one spraying, without repeated spraying or primer. It is faster and more efficient than the coating with the same film thickness. Standstill time is not required in the coating equipment, saving equipment space. In addition, the baking time of powder coating is also shorter than that of liquid coating, so it can greatly reduce the consumption of fuel and energy, shorten the coating operation line, and improve the output and production efficiency.
Excellent coating properties
As long as the powder coating is directly sprayed on the surface of the pre-treated MDF sheet and baked, the surface of the coating film with excellent performance can be obtained. General powder coatings have long-lasting properties of the coating film, including abrasion resistance, impact resistance, adhesion, toughness, corrosion resistance and chemical resistance. In addition to the above advantages, powder coatings for outdoor use also include high weather resistance and pollution resistance. The powder coating can be sprayed in one time to obtain a high-thickness coating, and the film thickness can be between 50-300 μm, and there is no dripping or stagnation phenomenon when the solvent coating is thickly coated.
