Best value and service in finishing for all our customers

What is polyester powder coating?

Polyester powder coating, or PPC, is an alternative to liquid paint.

It leaves a hard, smooth finish that has corrosion-resistant qualities.

PPC is fast and cost-effective and is ideally suited for external use on architectural projects or on everyday items such as windows, doors, home appliances and metal furniture.

it also has environmental benefits.

Types of polyester powders

PPC provides flexibility combined with mechanical and impact resistance.

They are well-suited to both internal and external applications.

Standard polyesters will have up to thirty years of good UV resistance

There are also super-durable polyesters, providing a longer lasting colour and gloss than standard polyester finishes.

They too are suitable for both internal and external finishes.

Why apply a polyester powder coating?

While some decorative or premium sheet metals do not necessarily require a finish, others will benefit from an external finish for these main reasons:

  • Protection against corrosion
  • Decoration
  • Functional reasons, such as anti-graffiti coating

Paint finishing in some form is a popular choice of a coating across a broad range of industries. 

PPC is the most common option because it offers major benefits:

  • Powder coatings provide finishes to metal and other substrates that are both strong and look good
  • They give the kind of uniform finish you cannot always achieve with liquid paint, providing coverage to complex shapes
  • A powder coating will reach where there are awkward angles, curves or hidden surfaces to cover
  • The curing of the powder coating melts and hardens it to give a tough finish. It has a long life, protecting against corrosion, and maintains its appearance for years to follow

Is polyester powder coating cost-effective?

Typically PPC is much cheaper than its equivalent in liquid form, for several reasons:

Powder coatings provide an even, complete finish on all objects, therefore removing any further costs to rectify imperfections

It minimises waste – any polyester powder coating that is not used, or is over-sprayed, is recoverable and reusable

Compliance is low-cost due to there being no solvents involved in PPC applications.

How adaptable is PPC?

Polyester powder coating technology is extremely flexible as a paint application process.

It can be tailored to a specific brief for whatever material requires coating.

People choose PPC for a variety of reasons:

  • Longevity
  • Appearance
  • Protection
  • Maintenance or renovation

If you choose a polyester powder coating, it will be thicker than traditional liquid paints. 

It provides a uniformity of finish with no drips or runs, which means both horizontally and vertically coated surfaces will look the same.

The promise of an even finish applies to fabrications of all sizes and shapes.

PPC is especially effective as a finish for metal parts with its strength, long life and resistance to fading, wear and abrasion.

It is a proven paint solution that is the first choice of designers, architects and manufacturers.

PPCs come in different colours, including BS4800, BS381C, RAL and NCS and metallics. Finishes include matt, semi-gloss, gloss and textured.

What are the environmental benefits of PPC?

There are virtually no volatile organic compounds emitted in polyester powder coating because it uses no solvents during the coating process. 

That makes them safer to work with, to transport and to dispose of.

PPC is a clean technology compared to liquid paint. 

The process also minimises waste because any overspray is reusable.

For more information about polyester powder coating and its many advantages, please contact Tomburn.

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What is polyester powder coating?

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