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  • UK Powder Coating

The Secrets of Powder Coating Durability

Updated: Mar 6

Powder coating now stands as a go-to finishing solution across various industries for its remarkable durability and aesthetic appeal, and at UK Powder Coating Service we are proud to offer fast turnarounds and high quality finishes. But what exactly makes powder coating so durable compared to traditional liquid paint? In this blog post we’ll delve into the world of powder coating to uncover the secrets behind its durability.

  1. Powder Composition At the heart of powder coating's durability lies its chemical composition. Powder coatings typically consist of a blend of resin, pigment, and additives. These ingredients are carefully selected to ensure optimum adhesion, flexibility, and resistance to various environmental factors.

  2. Application Process Unlike liquid paint, which requires solvents to keep the pigment and resin in a liquid state, powder coating is applied in a dry powder form. This powder is electrostatically charged and then sprayed onto the surface to be coated. The electrostatic charge causes the powder particles to adhere to the surface evenly, creating a uniform coating. Once applied, the coated object is cured at high temperatures, typically between 160°C to 220°C, causing the powder to melt and fuse into a smooth, continuous film. 

  3. Cross-Linking During the curing process, the resin in the powder coating undergoes a chemical reaction known as cross-linking. Cross-linking creates strong molecular bonds between the polymer chains, resulting in a highly durable coating that is resistant to chipping, cracking, and peeling. This cross-linked structure also provides excellent resistance to corrosion, chemicals, UV radiation, and abrasion, making powder coating suitable for both indoor and outdoor applications.

  4. Thermosetting and Thickness Control Powder coating particles irreversibly cure upon heating, ensuring stability and durability, This property makes powder coating ideal for applications where exposure to high temperatures is common, such as engine components in automotive applications. Additionally, precise thickness control is achievable due to the lack of flow in powder coatings compared to liquid paints, which guarantees uniform protection across surfaces. This uniform thickness ensures consistent performance and protection across the entire coated surface.

If you’re looking to invest in powder coating for your project, look no further than UK Powder Coating service. To discuss your needs, contact us today on 01440 706218, or email us at

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