How long does it take for epoxy to yellow?

Epoxy resin is awesome stuff. You can use it for everything from covering a tabletop to making jewelry, and it’s strong and durable too.

But, unfortunately, epoxy resin doesn’t always stay clear over time. It can turn yellow if exposed to the sun even briefly, especially if the wrong kind of epoxy is used. Luckily, there are ways to prevent this yellowing and keep your epoxy clear.

Does all epoxy resin yellow over time?

Yes, epoxy resin does yellow over time. No, epoxy resin is not supposed to turn yellow. Epoxy resin should never be clear or yellow.

It’s a fact that most epoxies are tinted with pigments and dyes to make them more visually appealing in the first place but these colors don’t fade or change over time.

If you buy an epoxy that hasn’t been colored yet (and you want it clear), then you’ll have to find out what kind of color has been added so you can order one without it in the future!

How do you keep epoxy from turning yellow?

If you’re looking for a long-lasting and beautiful epoxy floor, there are some things that you can do to ensure that it stays beautiful and doesn’t turn yellow.

First, use the best epoxy resin and hardener that you can find. If the resins and hardeners aren’t good quality or don’t have proper UV inhibitors built-in (or both), your floor will eventually turn yellow over time. Next, make sure your pigment is high quality so it won’t fade or discolor as cheap pigments do.

Finally, consider using an additive such as a UV inhibitor because these products help prevent further damage from sunlight exposure.

Does epoxy resin become yellow?

No, epoxy resin does not become yellow. Epoxy resin is a clear coating that dries as a clear sealant. As such, it will never look yellow or discolor like some other substances may do when they turn colors over time.

What epoxy does not turn yellow?

Epoxy resin that does not turn yellow

Epoxy resins can yellow over time, but there are some brands that will stay clear. If you want to know if the epoxy you use will be yellow or not, read on!

Will epoxy countertops yellow?

Epoxy countertops are one of the most popular choices for kitchen remodels and new builds. However, there’s always a chance that your shiny countertop will turn yellow before you’re ready to replace it.

Here’s what you need to know about epoxy countertops:

  • Epoxy can yellow when exposed to UV light, especially in high-traffic areas where you have a lot of sun exposure.
  • The amount of time it takes for epoxy counters to yellow depends on how much they’ve been exposed to UV light and how often they’re cleaned. If you aren’t using protective products like daily cleansers, soap scum remover solutions, and sealants (all available at hardware stores), then expect your kitchen surface to start turning yellow within six months or less after installation!

What happens to epoxy in the sun?

Epoxy resin is yellow because of UV light.

UV light is harmful to humans and many other materials. It can cause damage to paint, plastic, and other materials that are exposed to it. UV light also breaks down the epoxy resin which causes the yellowing effect in the first place.

When a substance absorbs energy (heat) radiation from another source, some of its energy gets transferred into heat energy, while some may be reflected or scattered back into space as reflected or scattered light rays (think about a mirror).

Some may even get converted into chemical reactions that change their chemical structure permanently (like tanning bed burns on the skin).

What is the clearest epoxy resin?

You want to know what the clearest epoxy resin is, and it’s easy to find out. The best epoxy resin for clear coating countertops is not always the same as the best epoxy resin for clear coating furniture.

When you’re looking for a clear-coating epoxy resin, look for one that has a low viscosity so that it will penetrate into the wood and not just sit on top of it like a coat of paint would do.

This prevents yellowing and makes your final product stronger than ever!

How do you keep epoxy clear?

Keeping your epoxy clear is easy. The key to avoiding yellowing is to keep it away from direct sunlight, heat, moisture, and chemicals. That’s it. It really is that simple!

To keep your epoxy as clear as possible:

  • Store it in a well-sealed container in a cool place away from both heat and moisture.
  • Keep pets and kids out of the area where you store your epoxy (who knows what they’ll do with that stuff?).


We hope this article has helped you understand what causes epoxy resin to yellow, and how that can be prevented. If your epoxy isn’t clear, it could be because of UV rays or a bad mix.

We have offered some solutions for these problems, such as getting special UV protection for your project. Thank you for reading and we hope that you get much enjoyment from working with epoxy resin!

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Martin Flood

Martin Flood has been working in the construction industry for over 20 years as a general contractor with expertise in remodeling projects that are large or small. He has furthered his career by specializing in epoxy resin flooring, providing excellent service to both commercial and residential clients. Martin’s experience enables him to offer professional advice on how to choose the right type of project based on your needs and budget.

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