Why Epoxy Turns Yellow: Causes and Solutions

Francisco Mendoza • November 27, 2023

Fight back against discoloration!

It's frustrating to try and preserve the allure of epoxy floors when yellowing sets in. Epoxy resins, specifically non-polyaspartic resins , will eventually develop yellow hue when exposed to UV. But it doesn't have to be this way!

Our comprehensive guide is going to help you stave off the inevitable! From the intricate reasons behind why epoxy turns yellow , to effective solutions that'll help you prevent it .

Understand Why Epoxy Turns Yellow:

  • Sunlight's Effect

sunlight exposure
ultraviolet (UV)
photodegradation
low-light environments
developments in resin
  • Environmental Factors

temperature
humidity
exposure to various chemicals
  • Hardeners and Yellowing

Veterans of the industry have the experience to know that it's not just these external factors that'll turn resin yellow. It also comes down to your resource choice . The choice of hardeners significantly contributes to or prevents yellowing. A low quality resin and hardener mix will begin to yellow much sooner than a strong resin. Especially compared against polyaspartic !

Prevent Epoxy Resin Yellowing:

  1. UV-Resistant Choices: There are epoxy resins resistant to UV rays , as recommended by experts , that act as a protective shield against yellowing. Resin resources like our UV-resistant epoxy kit are specifically designed to shield the epoxy from the harmful effects of sunlight.

  2. Smart Sealing: The combination of proper sealing techniques & high quality resins , as outlined in r esearch of industry best practices , is one of your best lines of defense. Proper sealing during installation creates a barrier that delays the onset of yellowing . It won't completely solve the issue on its own, but the epoxy will maintain its original color for an extended period.

  3. Temperature and Humidity Control: Industry experts often underscore the importance of managing temperature and humidity during epoxy installation. You'll need an optimal environment for epoxy application to prevent yellowing. If the epoxy cures and sets under favorable conditions, it has a better chance of fighting that chemical breakdown .

Conclusion

While epoxy yellowing is a near-inevitable challenge, you can fight back! Backed by analysis of the industry , and of resins , this guide not only uncovers the causes of yellowing but also provides actionable strategies for effective prevention. A holistic approach, from installation to maintenance and care, ensures that epoxy floors remain vibrant and appealing for its lifetime!

For more personalized advice and solutions, get in contact with our specialists ! Explore a range of epoxy know-how and resources at the Xtreme Polishing Systems (XPS) online store.

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