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Protect Your Metal Parts: Understanding Factors That Can Damage Powder Coating and Maximize Lifespan

Updated: Jun 1, 2023

Powder coating has emerged as a popular and effective method for finishing metal parts, offering numerous benefits such as durability, corrosion resistance, and a vast range of colors and finishes. With proper care and attention to factors that can damage it, powder coating can last up to 20 years or more, ensuring longevity and competitiveness in your respective industries. In this blog post, we will discuss common factors that can damage powder coating, provide tips on how to avoid them, and help you maximize the lifespan of your coated metal parts.

Ultraviolet (UV) Exposure:

  1. Prolonged exposure to sunlight and UV radiation can cause powder coatings to fade, lose gloss, or become chalky. While some coatings are formulated to resist UV damage, it's essential to choose the right powder coating for your application and consider factors such as location and exposure to sunlight.

Solution: Opt for UV-resistant powder coatings, especially for parts that will be exposed to direct sunlight for extended periods. Additionally, consider providing shade or other protective measures for outdoor installations.

Mechanical Abrasion:

  1. Powder coatings are susceptible to damage from abrasive materials and impacts. This includes scratches, scrapes, or dings caused by rough handling, improper installation, or contact with sharp objects.

Solution: Handle powder-coated parts with care during transportation, installation, and maintenance. Use protective packaging, padding, and avoid stacking parts without proper separators. Train personnel to handle coated parts correctly to minimize the risk of damage.

Chemical Exposure:

  1. Certain chemicals, solvents, and cleaning agents can harm powder coatings, causing them to soften, blister, or lose adhesion. It's vital to avoid exposing your powder-coated parts to harsh chemicals or incompatible substances.

Solution: Be aware of the chemicals present in your work environment and the ones used for cleaning or maintenance. Always use non-abrasive, mild soap and water for cleaning, and avoid harsh or acidic cleaning agents.

Moisture and Corrosion:

  1. Powder coatings provide a robust barrier against moisture and corrosion. However, if the coating is damaged or applied improperly, moisture can penetrate the barrier, leading to corrosion.

Solution: Ensure proper surface preparation and application of powder coatings. In highly corrosive environments, consider using a corrosion-resistant primer or a powder coating with increased corrosion resistance.

High Temperatures:

  1. Exposure to excessively high temperatures can cause powder coatings to discolor, lose gloss, or become brittle. It's essential to know your coating's temperature limits and ensure your application stays within those boundaries.

Solution: Select a powder coating with the appropriate heat resistance for your application, and avoid exposing parts to extreme temperatures beyond the coating's capabilities.


Understanding the factors that can damage powder coatings is essential for manufacturers to maintain the quality and durability of their metal parts. By choosing the right coating, proper surface preparation, and application techniques, you can ensure your products withstand the test of time and remain competitive in the market.

At Salt City Metal Coatings, we are committed to helping you find the perfect powder coating solution for your specific needs. Our team of experts can guide you through the selection process and provide professional application services to ensure your products receive the protection they deserve. Contact us today to discuss your powder coating requirements and let us help you succeed in your industry.

Disclaimer: The information provided in this blog is for educational and informational purposes only and is not intended as professional advice or recommendations. We make no warranties, guarantees, or representations regarding the performance, quality, or longevity of any powder coating products or services. The authors and Salt City Metal Coating, LLC shall not be held liable for any losses, damages, or claims arising from the use or reliance on the information provided. Any mention of third-party products or services does not imply endorsement, and we are not responsible for their performance, quality, or accuracy. While we strive to provide accurate and up-to-date information, there may be occasional errors or omissions. We do not guarantee the completeness or currency of the content. Before making any decisions based on the information provided, we encourage you to consult a professional for specific advice tailored to your unique circumstances.


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