I was told that serger thread is spun with shorter fibers than quilting thread, so it won't be as strong.
I've been using poly/cotton thread for years in garment making, and never has the thread melted. An iron hot enough to melt thread would surely scorch the fabric.
Originally Posted by MadQuilter
I read somewhere that a quilter used one of those big spools to sew her quilt. When she pressed the top, it melted the thread and it all came apart. Not sure what the thread was - but the big cone reminded me of serger thread. If your thread is 100% cotton and you like the weight, why not use it?