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Which is better, powder-coated or pre-coated?

Update:14-02-2020
Summary:

Depending on the thickness of the application, powder-c […]

Depending on the thickness of the application, powder-coated aluminum is more suitable for walls, and pre-coated aluminum is more suitable for roof systems.

The coated aluminum flake powder is a powder coating applied to the surface of aluminum by a spraying device. Under the action of static electricity, the powder will be uniformly adsorbed on the surface of the aluminum sheet roll to form a powder coating. The powder coating is cured after high-temperature baking and leveling to become the final coating with different effects (various effects of powder coating). In terms of mechanical strength, adhesion, corrosion resistance and aging resistance, the spraying effect of powder coatings is better than the spraying process, and the cost is also lower than spraying with the same effect.
Pre-coating is a type of electrostatic spraying and a type of liquid spraying. It belongs to high-grade coatings and has a higher price.

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