
Ideal for sealing rigid, fiberglass ductboard systems and flexible, non-metallic air ducts
Our 3Mâ„¢ Foil Tape 3340 is constructed using a 2.0 mil aluminum foil backing with a strong, pressure sensitive acrylic adhesive for long-term adhesion, along with an easy releasing poly coated kraft paper liner to protect the adhesive and keep the tape ready for use. The highly engineered aggressive acrylic adhesive performs in both cold and hot temperature conditions.
Recommended Applications
- Heating Ventilation Air Conditioning (HVAC)
- Duct closure
- Vapor seal on reinforced fiberglass duct board
- For use with rigid fiber glass duct board
- For use with flexible air ducts and air connectors
Superb Temperature Resistance
When sealing ducts and other surfaces for heating, ventilation and air conditioning systems, it’s essential to have a strong, long-lasting foil tape that can stand up well to hot and cold temperatures. The 3Mâ„¢ Foil Tape 3340 has the combination of a foil backing and acrylic adhesive that gives our tape a superb operational temperature range of -40°F (-40°C) to 300°F (149°C). The benefits don’t end there; the foil backing also serves as an excellent barrier against moisture, dust and many chemicals — making it strong, durable and long-lasting. The very low moisture vapor transmission rate makes the tape a good sealant and the acrylic adhesive supplies superior temperature and UV resistance to give you a strong, lasting and reliable bond. 3Mâ„¢ Foil Tape 3340 is used in a variety of applications across a number of industries, including: transportation, specialty vehicle, metalworking, construction, automotive, military and government, general industrial, MRO, electronics and aerospace.

 3M 20922, PSA Cloth Disc 348D, 60 X-weight, 1-1/2 in x NH, Die 150S, 7010326528.
3M 20922, PSA Cloth Disc 348D, 60 X-weight, 1-1/2 in x NH, Die 150S, 7010326528.						 Standard Abrasives 713066, PSA A/O Disc, 8 in x NH, 60, 7010370082
Standard Abrasives 713066, PSA A/O Disc, 8 in x NH, 60, 7010370082						 3M 90335, Scotch Super Glue Liquid AD118D, .07 oz, 7000047660
3M 90335, Scotch Super Glue Liquid AD118D, .07 oz, 7000047660						 3M 20910, PSA Cloth Disc 348D, 60 X-weight, 2 in x NH, Die 200P, 7000118872
3M 20910, PSA Cloth Disc 348D, 60 X-weight, 2 in x NH, Die 200P, 7000118872						 3M 89515, Scotch-Weld PUR Applicator Main Nozzle, 7000046672
3M 89515, Scotch-Weld PUR Applicator Main Nozzle, 7000046672						 3M 30086, Scotch-Weld PUR Applicator Bench Mount Bracket Assembly, 7000121614
3M 30086, Scotch-Weld PUR Applicator Bench Mount Bracket Assembly, 7000121614						 3M 64422, Nozzles for Two-Component Adhesive Sealant Applicator 400A-2K, 7000144625
3M 64422, Nozzles for Two-Component Adhesive Sealant Applicator 400A-2K, 7000144625						 3M 58320, Scotch-Weld PUR Applicator Nozzle Shroud, 7000148288
3M 58320, Scotch-Weld PUR Applicator Nozzle Shroud, 7000148288						 3M 25783, Scotch-Weld PUR Applicator Housing/Shroud Assembly Kit, 7000028623
3M 25783, Scotch-Weld PUR Applicator Housing/Shroud Assembly Kit, 7000028623						 3M 89514, Scotch-Weld PUR Applicator Main Nozzle Assembly, 7000027561
3M 89514, Scotch-Weld PUR Applicator Main Nozzle Assembly, 7000027561						 3M 26139, PPS Series 2.0 Adapter, Type S43, 1/4 Male, 19 Thread BSP, 7100135337
3M 26139, PPS Series 2.0 Adapter, Type S43, 1/4 Male, 19 Thread BSP, 7100135337						 3M 06847, Overspray Masking Liquid Dry, 1 Gallon, 7010309222
3M 06847, Overspray Masking Liquid Dry, 1 Gallon, 7010309222						 Dynabrade 11005 Dynafile Belt Housing Guard
Dynabrade 11005 Dynafile Belt Housing Guard						 3M 97421, Aluminum Foil Tape 3380, Silver, 72 mm x 45 m, 3.25 mil, 7010375681
3M 97421, Aluminum Foil Tape 3380, Silver, 72 mm x 45 m, 3.25 mil, 7010375681						

 
				 
				 
				