A earlier post about melting points. I havent done any research myself...
https://www.autogeekonline.net/foru...-microfiber-towels-what-temp-post1453447.html
I have washed on HOT and forgot to turn the dryer to low. I felt a slight roughness on some small areas of a couple eagle edgeless towels. After one use and wash (warm water, 3D Towel Keen and vinegar, dry on low), 'roughness' is gone.
I'm not sold on the HOT water and high air temp being bad, however its probably a slight waste of propane for our water heater/dryer.
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