Crystalac Coating is water based, 100% SAFE and NON-TOXIC unlike Epoxy Resin. As we all know Epoxy Resin is VERY toxic and should not be used around food and drinking products. Also a lot of people have developed allergies to Epoxy Resin by being around it, therefor Crystalac is a better alternative.
Epoxy Resin VS Crystalac for tumblers:
Overall, when comparing CrystaLac and epoxy for use in making tumblers, CrystaLac products are the winner. They’re safer, easier, cure faster, and provide a durable, shiny finish. When you’re making something that someone’s going to be putting their mouth on and drinking out of, the safety factor is important. Your customers want to know that their products are made in a way that’s safe for use and won’t harm them