Posted 11 June 2017 - 09:40 AM
Posted 11 June 2017 - 01:28 PM
Posted 12 June 2017 - 03:22 PM
3-4 years isn't that old, as long as they are kept out of the light, and tightly covered. These finishes cure by chemical action, not by oxidation (drying), so, as long as the hardener and resin are kept separately, they should stay usable. If you are concerned, mix up a small batch and test it before attempting to use it on a rod. In my experience, epoxy that has thickened with age will cure more quickly so you may need to work more quickly.
Then, of course, there's always the old adage, "When in doubt, throw it out!" At some point, it's just not worth the risk to your project. Only you can be the judge of that.
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