Thank you all for your responses to my question. I’m greatly comforted to know that these modern polyesters can be safely used. Quiltedsunshine, thank you so much for your warning. I will test my threads are compatible with the temperature setting I’ve chosen on my iron.
One by One thanks for the hyperlink to Superior Threads. I surfed right over there and gleaned a lot of great info. Such good advice.
I’m not a big poster online, but I have followed this board for some time now and have learned so much from all of you. I’m very grateful to have such a tremendous resource. Thanks again
Kindascrappy