Glass Cloth Tape 361

Strong abrasion resistant backing provides strength for bundling, harnessing and protection applications requiring high tensile strength
Silicone adhesive provides good holding power and clean removal across a wide range of temperatures
Withstands temperatures from -65°F/-54°C to 450°F/232°C and intermittent temperatures up to 550°F/288°C or higher, depending on the type and duration of the heat source
Can be certified to meet F.A.R. 25.853, flame resistant specification
Used for permanent sealing of high temperature ducts or chambers
Constructed with a woven fiberglass backing, 3M™ Glass Cloth Tape 361 features a pressure sensitive silicone adhesive for applications requiring high-temperature resistance, high adhesion and clean removal. It is often used for high temperature applications such as sealing ducts and as a back-up strip for submerged arc welding.
Features:-

Can be certified to meet FAR 25.853 (a) Appendix F Part I (a) (1) (ii), flame resistant specification. 
• Can withstand intermittent temperatures up to 550°F (288°C) or higher, depending upon the type and duration of the heat source. 
• Continuous exposure to temperatures above 450°F (232°C) will gradually degrade the adhesive causing loss of tape adhesion and darken the glass cloth backing.