The problem is there are 2 categories. Microwave safe just means it won’t explode, or throw sparks. The other type sorely lacks a name still. It’s the stuff that is transparent to microwaves and so won’t heat up at all, except for heat transfer from the food.
even in microwavable bowls this still happens, tf are you on about?
It does not, certified microwaveable tableware is unaffected by microwaves and is not heated by them.
The problem is there are 2 categories. Microwave safe just means it won’t explode, or throw sparks. The other type sorely lacks a name still. It’s the stuff that is transparent to microwaves and so won’t heat up at all, except for heat transfer from the food.