Last Updated on October 20, 2022

What Happens If You Put Glass In The Microwave?

Anything that’s not labeled “microwave-safe” (or doesn’t pass the microwave test below). That’s because the glassware could have metal, dyes or air bubbles that can cause the glass to crack or shatter in the microwave. You also want to avoid microwaving drinking glasses or glass food storage with a plastic seal.