How Does Powder Coating Work?
Powder Coating is an alternative to conventional wet painting for automotive and other metal parts such as household appliances, aluminium extrusions, bicycle parts . It was first used in 1967 in Australia.
The main difference between a conventional liquid paint and a powder coating is that the powder coating does not require a solvent to keep the binder and filler parts in a liquid suspension form.
Powder coating is a type of coating that is applied as a free-flowing, dry powder.
The process of powder coating involves, powder particles being negatively charged by passing them through a special gun.
This results in an electric field between the gun and the earthed component. The powder particles then follow the field lines and adhere to the product.
The component is then conveyed to a furnace where the powder is baked at temperatures of 160 to 200 degrees C for approximately 20 minutes.
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