Our 181A Series Imprinted Foil Tape is a 2 mil (50 micron) heavy duty, high strength aluminum foil coated with a specially formulated pressure sensitive acrylic adhesive system. Superior adhesion and conformance for use with fiberglass duct board systems. Performance and materials guaranteed to meet or exceed UL-181A-P quality standards and assures against tape being a conductor of any flame.
Also meets UL-181B-FX standards.
Total Thickness: 4 mil
Adhesion: 61 oz/in
Shear: 5 lb. Weight 24 hours + 40°F / 6 hours – 10 lb. Weight > 120 hours + 73.4°F / 120 hours – 1 lb. Weight > 6 hours + 150°F / 6 hours
Flame Spread Rate: 25
Tensile Strength: 32 lbs/in