Feature(may vary by option.)
●VAPOR SEAL TAPE: 2. 0 mil aluminum foil backing (4. 0 mil total thickness) with a strong, pressure sensitive acrylic adhesive is ideal as a vapor seal tape for duct closure.
●HOT AND COLD TEMPERATURES: Combination of a foil backing and acrylic adhesive gives this tape a superb operational temperature range of -40F-300F (-40C-149C).
●EASY RELEASING LINER: Poly coated Kraft paper liner protects the adhesive and keeps the tape ready for use.
●LONG LASTING: The foil backing serves as an excellent barrier against moisture, dust and many chemicals - making it strong, durable and long-lasting.
●APPLICATIONS: Heating Ventilation Air Conditioning (HVAC), duct closure, vapor seal on reinforced fiberglass duct board, rigid fiber glass duct board, flexible air ducts and air connectors.
●Listed for both UL181A-P and UL181B-FX
[Tape]
Description
3M Foil Tape 3340 forms long-lasting, conformable sealing properties that improve the integrity of rigid fiberglass duct boards. Use this silver, 2.5 in wide, 3.9 mil thick tape along with conformable air ducts and connectors to enhance HVAC air systems maintenance. Tape 3340 is also designed for use in many automotive, electronics, metalworking, construction and aerospace industry applications. Reliability is assured with dual UL181A-P and UL181B-FX listings. Youll get a durable seal and excellent closure against vapor through hot and cold temperatures, enhanced by an aluminum foil backing. Reduce or eliminate mechanical fastener use, and improve heating and cooling efficiency with this long-lasting easy-to-apply tape with a permanent acrylic adhesive and convenient liner. 3M Foil Tape 3340 improves the efficiency, sealing, and thermal properties of air systems in many applications across a broad range of industrial applications.