3M 3340 Aluminum Foil Tape
Model NED-24297
Seal rigid ductboard, flexible HVAC systems and automotive insulation. For long-term, indoor use. Resists moisture, dust and chemicals. Meets UL 181A-P and UL 181B-FX. Handles temperatures from -40° to 150°C (-40 to 300°F). Aluminum foil backing with acrylic adhesive and paper liner.
