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How do I store epoxy resin?

Posted by Joel Willis on


How Do I Store Epoxy Resin?

Building a collection of Resin? You should make sure you are storing it correctly. Some bad things can happen to your resin if you’re not careful.. How do you avoid the bad stuff happening? Well, there are a number of factors to consider when storing your resin that can make it seem more complicated than it is. Here are our guidelines to make sure your resin is ready when you are.

Definitely do:

  • Store in a temperature controlled room.
    • 70° F. is ideal. Large temperature swings are to be avoided. If the resin gets too cold it can cause your resin crystalize or have a milky appearance. If that does happen carefully stick your resin in warm water for 15 minutes. Be very sure to keep water from getting in the bottles and thoroughly dry them before opening the bottles for use.
  • Store on a wood or cardboard surface.
    • Don’t leave on concrete or metal. Even if a room is temperature controlled, concrete floors tend to stay closer to the temperature of the ground underneath the concrete which can mean the resin is too cold even a room that is 70°.
    • If you have metal shelving, that’s ok, just put some cardboard down between the metal and the containers. Certain metals can cause epoxies to chemically react and degrade.
  • Don’t store the product mixed together.
    • This should be self-explanatory, but the epoxy will cure in the container if you do that.
  • Don’t store in direct sunlight.
    • UV exposure can degrade your epoxy. Epoxy hardener is often sensitive to light exposure, especially from the sun.
  • Write the date you received your product on the bottles.
    • Your Old Timer Industries epoxy will have a 1 year shelf life, so if you know the day you got it, you will know that the resin will expire by that time next year.


Probably should do:

  • Store resin in a plastic bag or plastic container.
    • Sometimes bottles get damaged in shipping. Admittedly a damaged bottle is rare but there can be very small cracks that are easily overlooked. If something like that happens.. cleaning it up can be, at the very least …. an unpleasant process …
  • Make sure the lids are screwed tightly on the bottles.
    • Let’s say you pick up your resin next week to use it and the lid isn’t screwed on tight. And let’s also say your 5 month old St. Bernard named Thor thinks your bottle is a toy… you accidently drop your bottle and it falls on your brand new carpet… This possibly hypothetical situation can ruin your expensive brand new carpet and trigger a large investment in puppy training. I’ll let you decide if this is important..
  • Don’t mix up the lids
    • If this happens the resin can cure and basically fuse the bottle and lid together when the resin cures. (not a fun situation)


We hope this quick guide on epoxy storage helps you! If you have further questions just email us at Questions@OldTimerIndustries.com or call us at 208-718-2133. We would be more than happy to help!

Also, quick side note: If you would you like to contribute to our faq or community, you are welcome to do that. Just make a video documenting your project and tips for success. We would love to share with the faq community here on our site. Thank you for reading! We really appreciate your purchases, reviews, and referrals!



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