Microwave Testing

A quick absorption test for already fired work, and a test to see if your work is microwave safe. Have you told people that your pottery is microwave safe? Have you ever tested it?
Iron glazes didn’t seem to make a difference in heating in the microwave. I only found one piece that had absorbency

Below is a link to testing clay bodies.
https://www.ceramicindustry.com/articles/84673-ppp-clay-body-shrinkage-absorption

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