If you’ve spent any time creating with resin, you may have wondered, can epoxy resin be used on glass? In a short answer, yes, but there are a few things you need to know first.
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 adhere jewelry findings to your resin charms or bond other things together like pieces of metal. Epoxy resin 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 easily 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 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 it’s a good idea to bring them together.
Despite joining your resin and glass together to create one project, it will, over time, expand and contract at different rates. It’s important to know that because when the resin and glass combination heats up and cools down, it will act as two separate items, not the one design you created.
Resin and glass used together 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 vary enough that the glass will eventually crack. For example, resin poured over window panes, then hung in a window with direct sunlight, will break when there is a noticeable temperature change, going from hot to cold or vice versa.
Now that you know epoxy resin can be used on glass, how do you do it?
If I need to glue glass cabochons or other small pieces onto a project, use mixed epoxy resin as glue. Apply a tiny bit 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 easily 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 out of resin using a resin mold. Then, glue the resin window panes into the frame, using epoxy as glue. Otherwise, if you want to use resin directly over window panes of glass, make sure you display your art somewhere you can protect it from temperature extremes. There are a few other details to know, which I share in this beach picture display window tutorial.
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