Electrostatic powder coating is the process of applying an outer coating to an object using a magnetic field and powder. The powder is suspended in the aqueous medium and then attacked by a negatively charged electric field. This interaction causes the surface of the powder to be densely covered with an electrostatic film.
Requirements for electrostatic powder coating vary depending on the type of product being coated, but typically include:
-Positive pressure must be applied to the coated material to ensure it adheres to the substrate.
-Coatings must be resistant to water and oil penetration.
For coatings to be effective, they must be stable over time and resist scratches, dents and other damage.
- Coatings must be resistant to fading or oxidation
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