What is the shelf life of your epoxy resin products?

What is the shelf life of your epoxy resin products?

All solvent-free epoxies have essentially unlimited shelf lives so long as they are stored in sealed containers. The resin may crystallize or the hardener may darken (YELLOW) but this does not affect its performance. If the material is more than a year old do a test to satisfy yourself that it cures properly. We recommend 24 months as a universal shelf life for our products, although we also recommend using the product within a few months prior to any possible material changes. 

 

The hardener oxidizes from oxygen which can discolor it slowly while stored over time. Sometimes the user believes it is not good (hence throwing away). Reality is the material may still be good, but just does not look the same. 

 

As always, please test a small amount prior to any large installations. 

 

Order more as you need it. We mix our formulas based on order volume so it's the freshest you can get on the market.  

 

I did a test recently with some older yellow mix... Check it out...

 

@theepoxyresinstore

old resin yellow? useable? Yes. Can u tell us which coaster/s is from the yellow resin? 1, 2, 3, 4? 👍  #epoxy

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PS: Would you like to contribute to our faq or community? Make a video documenting your project creation or educational piece, we would love to share with our community.

 

Hope this was helpful. 

Let us know what you would like to create below in the comments.

 

**If you made it this far down, We occasionally pick the best comment to win a giveaway. -hint-hint

 

We created a handy comparison guide to help understand the different properties of our epoxy resin. Just follow this link here https://www.theepoxyresinstore.com/blogs/news/what-epoxy-resin-is-best-for-my-project

https://www.theepoxyresinstore.com/ is an expert manufacturer of various epoxy resins that can be used for both craft projects and industrial applications.

We also offer colors, pigments, glitter, and other additives for various epoxy resin projects.

 

- All in one store - The Epoxy Resin Store
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Phone: (951) 677-0400
Address: 540 Crane St suite A Lake Elsinore, CA 92530
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7 comments

Rod Bradshaw

Rod Bradshaw

My clear casting resin is going jelly in the drum. I live in Qld which is hot and Hugh humidity. Can I add thinners to save it and bring back to more liquid?

Nathan

Nathan

At a shop I worked at many years ago we would flood our resin and RTV silicone containers with argon before closing them back up. The theory was that the argon being heavier than air would displace most of the oxygen in the container and extend the products’ shelf life. I never knew if it worked well enough to be worth the effort. Do you guys know if that would actually do the trick?

Marguerita Chetty

Marguerita Chetty

Can you please tell me the shelf life of epoxy material

Bill White

Bill White

Just beginning to dabble in epoxy covered projects. Does in come in any quanities less than 1 gal kits. A 1 quart kit would be excellent for trial purposes

ruth   d.

ruth d.

yes must know, shelf life, also, can you, , if needed stir and add, any paint thinner or laquer thinner a little, and stir real well, if , needed to insure shelf life, please these are expensive and no one can use, it all within a yr., , just concerned like with all products, that if sealed [properly and stored in warm, house, , will be stiable and useable, for many years. thank you so much

Barbara Harmer

Barbara Harmer

#4Clear one

Chris C.

Chris C.

Finally a website that actually explains epoxy shelf life and what degradation may occur! This information is really hard to come by or so it seems, what with Google presenting so many useless search results. Shelf life and what affects it is invaluable to people such as myself who use epoxy occasionally in varying amounts to avoid wastage – indeed I have noticed hardeners changing colour but the resulting mix seems to have worked just as well.

Recently, a product which the salesperson listed as having a 6 month shelf life, which I had purchased a large amount of for a canoe project that never came to fruition due to unforeseen circumstances, was opened, 3 years later, and functioned just as expected when new.

I just wished manufacturers listed actually tested shelf life and degradation over time based on time and storage conditions such as temperature, exposure to air and humidity, such as keeping the product refrigerated or frozen, and the influence of air and humidity on opened containers – for example, when the product is kept for 10 years in storage in an unheated warehouse or garage.

In any case, thank you again for the valuable information, many kudos!

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