What Is Powder Coating - Advantages & Disadvantages - PHOS

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Powder Coating is a dry finishing process created by an electric charge that causes a dry powder to fuse to the surface of the metal. This is then baked in a curing oven to achieve a smooth coating. It is usually used to create a hard finish that is tougher than conventional paint.

Powder coating does not have a liquid carrier, meaning it can produce thicker coatings than conventional liquid coatings without running or sagging. It produces minimal appearance differences between horizontally coated surfaces and vertically coated surfaces.

Advantages & Disadvantages of Powder Coating:

Advantages

Disadvantages
  • A wide range of finishes can be achieved using this process,
  • Provides a layer of protection against corrosion, scratches/chipping and fading,
  • One of the most economical, longest lasting, and most colour-durable quality finishes available on virtually any type of metal,
  • Achieves a consistent colour finish across the metal,
  • Powder coatings can produce much thicker coatings than conventional liquid coatings without running or sagging,
  • Non-toxic and less flammable than wet spray paint finishes
  • Powder coats can leave an 'orange peel' texture on the metal
  • The process involves moderate set up costs due to the machinery involved
  • Powders cannot be mixed to obtain different colours

Applications:

Powder coating is an ideal method if you want to achieve a specific colour match. It can be applied to a range of substrates including steel, copper and aluminium and offers a durable architectural finish. Suitable for both internal and external applications. The latter requires a specific metal and in some instances a further treatment process to cope with saline environments. Our Team of experts can advise which finishing method is most suited to your application.

In general it works well with uplights and wall lights as it is durable and will not get scratched easily.

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