How much temperature does Teflon tape withstand?

Common PTFE fiberglass adhesive tapes are divided into two kinds: the narrow tapes are normally without release paper and the wide ones are always with release paper as shown below.

Teflon Tape

Temperature resistance of these both tapes can reach 300°C. Because of their heat resistance properties, they are often used in packaging, thermoplastic, composite, heat sealing, electronic and electrical industries.

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