
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.

 Standard Abrasives 32985, Aluminum Oxide Overlap Disc, 714721, 60 Grit, 2 in x 8-32 x 2 Ply, 7100116380
Standard Abrasives 32985, Aluminum Oxide Overlap Disc, 714721, 60 Grit, 2 in x 8-32 x 2 Ply, 7100116380						 Dynabrade 96101 Dynabrade Air Lube 10W/NR 24 Per Box
Dynabrade 96101 Dynabrade Air Lube 10W/NR 24 Per Box						 3M 36876, Self-Stick Liquid Protection Fabric, Blue, 4 in x 300 ft perroll, 7100169348, 6 Rolls Per Pack
3M 36876, Self-Stick Liquid Protection Fabric, Blue, 4 in x 300 ft perroll, 7100169348, 6 Rolls Per Pack						 Standard Abrasives 32953, PSA A/O Disc, 711880, 2 in x NH, 60, 7010310798
Standard Abrasives 32953, PSA A/O Disc, 711880, 2 in x NH, 60, 7010310798						 3M 02594, Scotch Super Glue Liquid AD117, .07 oz, 7000047659, 2-Pack
3M 02594, Scotch Super Glue Liquid AD117, .07 oz, 7000047659, 2-Pack						 Standard Abrasives 37446, PSA A/O Disc, 700595, 1-1/2 in x NH, 60, 7010331822
Standard Abrasives 37446, PSA A/O Disc, 700595, 1-1/2 in x NH, 60, 7010331822						 Standard Abrasives 722809, PSA A/O Extra Disc, 5 in x NH, 60, 7010368721
Standard Abrasives 722809, PSA A/O Extra Disc, 5 in x NH, 60, 7010368721						 3M 90335, Scotch Super Glue Liquid AD118D, .07 oz, 7000047660
3M 90335, Scotch Super Glue Liquid AD118D, .07 oz, 7000047660						 Dynabrade 51700 .1 hp Straight-Line Pencil Grinder, Rear Exhaust, 60,000 RPM, 1/8" Collet
Dynabrade 51700 .1 hp Straight-Line Pencil Grinder, Rear Exhaust, 60,000 RPM, 1/8" Collet						 3M 91773, Scotch Super Glue Liquid in Precision Applicator, AD124, .14 oz (4 g), 7100045780
3M 91773, Scotch Super Glue Liquid in Precision Applicator, AD124, .14 oz (4 g), 7100045780						 Dynabrade 53270 7" (180 mm) Dia. Right-Angle Disc Sander
Dynabrade 53270 7" (180 mm) Dia. Right-Angle Disc Sander						 3M 36879, Self-Stick Liquid Protection Fabric, Blue, 28 in x 300 ft, 7100169496
3M 36879, Self-Stick Liquid Protection Fabric, Blue, 28 in x 300 ft, 7100169496						 Dynabrade 55204 Vane Set (4pk)
Dynabrade 55204 Vane Set (4pk)						 3M 27571, Adhesion Promoter 4298, Sponge Applicator Packet, 2.5 cc, 7000002020
3M 27571, Adhesion Promoter 4298, Sponge Applicator Packet, 2.5 cc, 7000002020						 3M 11411, Roloc Disc 361F, 50 YF-weight, TR, 1 in, Die R100N, 7000045095
3M 11411, Roloc Disc 361F, 50 YF-weight, TR, 1 in, Die R100N, 7000045095						 Dynabrade 31920 - 1-1/4" (32 mm) Static Conductive Hose, Black
Dynabrade 31920 - 1-1/4" (32 mm) Static Conductive Hose, Black						 Dynabrade 95842 Dynabrade Air Lube 10W/NR, 1 Pint
Dynabrade 95842 Dynabrade Air Lube 10W/NR, 1 Pint						 Dynabrade 11638 Contact Wheel Ass'y, 4" Dia. x 1/2" W x 5/8" I.D., Severly Face, 70 Duro Rubber Radiused
Dynabrade 11638 Contact Wheel Ass'y, 4" Dia. x 1/2" W x 5/8" I.D., Severly Face, 70 Duro Rubber Radiused						 Standard Abrasives 701616, PSA A/O Disc, 12 in x NH, 50, 7010369977
Standard Abrasives 701616, PSA A/O Disc, 12 in x NH, 50, 7010369977						 3M 26016, PPS Series 2.0 Adapter, Type S9, 16 mm Male, 1.5 mm Thread, 7100135330
3M 26016, PPS Series 2.0 Adapter, Type S9, 16 mm Male, 1.5 mm Thread, 7100135330						

 
				 
				 
				 
				