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The significant difference between powder coatings and solvent-based coatings is the different dispersion media. In solvent-based coatings, organic solvents are used as the dispersion medium; in powder coatings, purified compressed air is used as the dispersion medium. Powder coatings are dispersed when sprayed, and the granularity of the coating cannot be adjusted. Therefore, the fineness…
Details1.high-voltage electrostatic generator must be grounded wire. High-voltage electrostatic generator ground wire is the basic safety operation, electrostatic spray gun ground wire is also taken from the high-voltage electrostatic generator, so it should be confirmed that the ground is actually grounded. 2. the object to be coated to maintain a grounded state. The painted…
DetailsThe basic of the powder coating oven design is to find out the necessary heat. Need to calculate the heating up time (from the start of the switch to the time to reach the temple temperature) sweep heat, the necessary heat per hour during production operation, according to the calculation results to decide the capacity…
DetailsIn simple terms, the role played by metal degreasing is to remove the dirt accumulated on the metal surface during previous operations and to prepare it for subsequent operations. Cleaning metals involves not only the selection of the type of degreasing agent, but also the appropriate degreasing process and process equipment that must be used…
DetailsThe fineness of electrostatic powder particles: The significant difference between powder coatings and solvent-based coatings is that the dispersion medium is different. In solvent-based coatings, the use of organic solvents as a dispersion medium; and in powder coatings, the use of purified compressed air as a dispersion medium. Powder coatings are dispersed during spraying and…
DetailsIn 1962, the French Sames Company successfully researched powder electrostatic spraying equipment, which laid the foundation for the rapid development of powder coating technology. Powder electrostatic spraying method is the most widely used process in electrostatic coating construction. The electrostatic spray gun adsorbs the powder on the surface of the object to be coated by…
DetailsIn the use of electrostatic spraying equipment often happens some big or small accidents, how to avoid this aspect of the accident? First, most of them are caused by the failure of grounding and forming an insulated state. The conductive objects in the coating room must be clearly distinguished from high voltage potential or grounding…
DetailsThe coating line uses high-pressure electrostatic automatic spraying system, in the actual process of production, we have to constantly figure out the construction characteristics of various colors; for different coatings, you need to choose the right automatic sprayer parameters (paint volume, forming air pressure, voltage value), the impact of the adjustment range on the appearance…
DetailsThe following preparations need to be made before electrostatic powder spraying. 1. Add the specified brand of powder coating (after sieving by the powder sifter) to the powder supply pail according to the specified requirements 1.1 Check and unclog each powder supply line and gun before work, check the gun, be sure to pay attention…
DetailsSpecific effects of particle size distribution on the performance of electrostatic spraying powder coatings. 1.Appearance, leveling Generally speaking, the smaller the particle size of the powder, the better the leveling of the coating when curing, and the appearance of the coating film will be more flat and smooth, but the charged nature of the powder…
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