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Polyethylene powder coating dipping process.
Polyethylene (PE) powder coating dipping process involves the application of a layer of PE powder onto a substrate by dipping the substrate into a bed of fluidized PE powder. The process typically includes the following steps:

1. Surface preparation: The substrate is cleaned and prepared to ensure proper adhesion of the PE powder coating. This may involve cleaning, degreasing, and sanding the surface.
2. Preheating: The substrate is preheated to a temperature slightly below the melting point of the PE powder. This helps to ensure that the powder adheres to the substrate and forms a uniform coating.
3. Dipping: The preheated substrate is then dipped into a bed of fluidized PE powder. The powder particles adhere to the substrate due to electrostatic attraction and the preheating of the substrate.
4. Fusion and curing: The coated substrate is then heated to a temperature above the melting point of the PE powder. This causes the powder particles to melt and flow together, forming a continuous coating. The coated substrate is then cooled to solidify the coating.
5. Quality control: The coated substrate is inspected for uniformity, adhesion, and other quality parameters. Any defects or imperfections are addressed before the final product is approved.

PE powder coating dipping process offers excellent corrosion resistance, chemical resistance, and durability. It is commonly used in various industries, including automotive, appliances, and outdoor furniture.

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