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Question:

What happens if you microwave a ceramic bowl that is not microwave safe?

As plain as that, what‘s the danger if you put a plain ceramic bowl in the microwave oven and the bowl is not specified as microwave safe?

Answer:

Dudemost of everyone here who has a brain knows it was a stunt. Calm downyou just sound bitter.
i agree with mister carlos here everyone and mostly anyone knows this was just a stunt u make it sound like no one knows whats going on GOSH!
The danger is bits cracking and getting into the food, or just cracking open. If ANY dish isn't microwave save, you don't use it in the microwave.
No toxic chemicals that I know of.but I wouldn't chance it in a cheap plastic bowl. Damaging a glass or ceramic the bowl could mean cracking the bowl and a giant mess to clean up. And depending on the bowl it could mean glass slivers in your food.
Depends on what was used in making the glaze, and the ceramics of the bowl. We got our fist microwave back in the early 1980's. A lot of our plates and such were not microwave safe. I remember on very pretty blue plate in-particular. It would get so hot, it burned my fingers, and actually made the skin blister, and sluff off from the three fingers I'd used to grab the plate with. Needless to say, that plate was taken out of service and put under a plant to make sure that never happened again. We had other ceramic plates and bowls blow up. I remember the little onion soup bowl was especially spectacular. Most just cracked during cooking, but a few actually blew apart. A lot of older, or decorative ceramics have metals in the glaze. You do NOT want to put those in the microwave. They get shockingly hot, and can actually blow up (not just crack). Garnet Permaculture homesteading/farming over 20 years

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