The main components of the powder coating are acrylic powder and polyester powder. After baking at a certain temperature, they are melted. Generally, the post-effect of this kind is flat or matte.
In recent years, under the guidance of global environmental protection work requirements and industrial policies, environment-friendly coatings such as water-based coatings, high-solid coatings, solvent-free coatings, and powder coatings have developed by leaps and bounds. The technology and application are becoming more and more mature, and the application range is The gradual expansion has favored the green transition of the coatings industry to coatings with low volatile compound (VOC) content.
Powder coatings are solid powder synthetic resin coatings composed of solid resins, pigments, fillers and additives. Powder coating is a completely different form from general coatings, it exists in the state of fine powder. Because no solvent is used, it is called powder coating. The main features of powder coatings are: harmless, high efficiency, resource saving and environmental protection.
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Powder coating refers to a solid powder synthetic resin coating consisting of solid resin and pigments, fillers and additives. However, many people are skeptical about it.
Powder Coating has Entered the Three Fields of Automobile, Home Appliance and Building Materials with its Advantages
With the increasingly strict requirements of environmental protection in various countries, the development of traditional solvent-based coatings is limited, and powder coatings have made great progress as environmentally friendly coatings. At present, the global market share of powder coating is expanding, and it is gradually replacing the paint market with its advantages of cheap cost and simple operation. In terms of economy, quality, and environment, the application of powder coatings in the automobile industry, household appliances, and building materials also shows an increasing momentum.
As we all know, in the process of metal powder spraying, the powder coating is transported to the spray gun through the airflow after fluidization. The spray gun generates corona discharge at the electrode needle of the spray nozzle through the high-voltage electrostatic generator, and dense negative charges are generated near the electrode. When the powder is ejected from the gun head, the captured charge becomes charged powder. Under the action of airflow, electric field, and gravity, it flies to the grounding workpiece and adsorbs on the surface of the substrate.
Powder coatings are solid powder synthetic resin coatings composed of solid resins, pigments, fillers and additives. It is widely used in automobile manufacturing. But, do you know what common problems it has? We've summed up a few, and we've also given you a solution.
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