3M™ High Temperature Aluminum Foil Tape 433 is an aluminum foil tape with a silicone adhesive designed for high temperature applications requiring heat resistance, reflectivity, and durability.
With a total thickness of 3.6 mil (0.09 mm), it provides a conformable foil backing that performs reliably across extreme temperature ranges, from cryogenic conditions to over 600°F.
The silicone adhesive system gradually thermosets at elevated temperatures, allowing the tape to maintain a secure hold even after prolonged heat exposure.