[Ann]

Ive been using Envirotex Lite resin for five or six years to make my photo jewelry. I notice that if I dont use it for a while, the hardener in the bottle turns yellowish in color. I called the company and asked if resin gets old and if there is a date after which its no longer good, and the person said it does not get old. Ive noticed however that when I use my "older" resin, I have lots of tiny bubbles that I cant get rid of.  This doesnt happen when I use fresh resin. Does anyone know if resin expires?

[Katherine Swift]

Ann,

I recommend only purchasing enough resin that you can comfortably use within 6 months.  After that, many resins will continue to cure, but as you have noticed, have a yellow tint to them.  Also be sure to store it in a cool, dark area that doesnt experience temperature swings.  The bottom of a closet works well for this.

[T]

Yes. All of the resins I have worked with are pre-promoted and have a six month shelf life. I have been able to extend that a couple of months by keeping the resin in a cool place. I keep mine in the basement which maintains a steady fifty-eight degrees.

[A.C. Romig]

OK, this is good to know. I’d rather not throw my expired resin in the landfill, does anyone know how to dispose of it properly?

[Katherine Swift]

Hi A.C.,

Yes! This article explains more: https://www.resinobsession.com/resin-frequently-asked-questions/how-to-dispose-of-resin/

[Author]

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