Originally Posted by
mckwilter
If you are making the bowl potholders, there will always be a bowl with some type of liquid in the potholder at the same time, so microwaving a piece of batting by itself is not a fair test. Plus, 4 minutes is probably longer than you will ever heat a bowl of anything.
It's a pretty good test. Several of the battings I tried started scorching in less then 30 seconds. 4 min will allow the batting to burn if it is going to.