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Hagerty
Hagerty Employee

The Burn Test | Hagerty Media

Most cotton towels and diapers have polyester stitching. To test for polyester, light the thread on fire and if the thread emits a black wisp of smoke and shrivels up to a black, hard ball, it's polyester and can scratch. ShareTweetShare
https://www.hagerty.com/media/maintenance-and-tech/the-burn-test/
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