If you’ve spent time creating with resin, you may have wondered, can epoxy resin be used on glass? In a short answer, yes. But if you’ve learned anything around here already (besides how to make conversation heart jewelry), you know there’s always more to the story.
Epoxy resin is a strong glue.
Besides being a fun medium to create with, epoxy resin is also an excellent glue. You can use it to bond jewelry findings to your resin charms. It also glues to glass very well, provided the surface is clean. That means if a glass surface is free of dirt and oil, resin will stick to it with no trouble.
This ability to stick to almost anything is why you can’t use a glass baking dish as a resin mold. The resin clings to it, and the glass isn’t flexible enough to release the resin, even when you use a resin mold release.
Should you use epoxy resin on glass?
So here is where things get a little complicated. Just because glass and resin bond easily doesn’t mean bringing them together is a good idea.
Despite joining your resin and glass to create one project, it will expand and contract at different rates. When a resin and glass combo heats up and cools down, it acts as two separate items, not the one design you created.
Resin and glass used together and then kept out of direct sunlight and away from heat generally isn’t a problem. But, add weather elements to it, and the expansion and contraction cause the glass or the resin to crack. For example, a resin and glass window displayed in direct sunlight will break when there is a noticeable temperature change. Like going from hot to cold or vice versa.
Now that you know epoxy resin can be used on glass, how do you do it?
You’ll use your resin as a glue. Apply a bit of mixed epoxy to each piece, then press together. Make sure you wipe off any excess before letting the resin cure. You won’t be able to get it off once dry.
What if you want to create something that looks like window panes of glass?
Instead of pouring the resin over the glass, create the window panes with resin by using a resin mold. Then, glue the resin window panes into the frame, using epoxy as glue. If you want to pour resin over window panes, display your resin art where you can protect it from temperature extremes.
⭐️ BONUS: There are a few other details to know. You can learn them in this beach picture display window tutorial.
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