Saw this in the Uline catalog. They keep mailing me their thick catalog so perusing it for interesting materials. It probably wouldn't crinkle from the heat but you have to buy about a mile of it.
https://www.atlasrfidstore.com/honeywell-thermamax-1407-thermal-transfer-wax-ribbon
https://www.atlasrfidstore.com/honeywell-thermamax-1407-thermal-transfer-wax-ribbon