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What is Powder Coating

Powder coating is an advanced method of applying a decorative and protective finish to a wide range of materials and products that are used by both industry and the general public. The powder used for the process is a mixture of finely ground particles of pigment and resin, which is sprayed onto a surface to be coated using electrostatic technology.

The charged powder particles adhere to the electrically grounded surfaces until heated and fused into a smooth coating in a curing oven. The result is a uniform, durable, high-quality and attractive finish.

Powder coatings are relatively hard, abrasion-resistant (depending on the specification) and tough. Thin powder coatings can be flexible but this is not recommended for exterior applications. The choice of colours and finishes is almost limitless. When powder coated items are installed without damage, and maintained regularly (appropriately washed at regular intervals), the coating should be relatively permanent. A correctly applied coating, although not metallurgically bonded to the metal, will not crack, chip or peel as happens with conventional paint films.

Of primary concern to the end-user is consistent finish and colour. The critical factors which determine how well the surface will be coated are the chemistry of the powder coating, the powder and metallic surface charges, the heat applied and the particle size of the product.
Obviously to ensure a uniform coating, particle size must also be uniform. Particle size distribution is critical for powder coatings, affecting:

• Final coating texture and appearance
• Coating thickness
• Product handling properties
• Powder performance during application

Finishes Available:

• Epoxy
• Polyester
• Textures
• Metalics
• Hammers
• Anti Bacterial
• Laquers
• Leatherette

Colour Range Available:

• RAL
• BS4800
• BS 381C

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