3M™ Foil Tape 3340
- | Select product options for IDs.
Details
Highlights
- 2.0 mil aluminum foil backing is ideal as a vapor seal tape for duct closure
- Listed for both UL181A-P and UL181B-FX
- Replaces mechanical fasteners for rigid duct board
- Thermally conductive backing helps heating and cooling efficiency
- Permanent acrylic adhesive combined with the durable 2.0 mil backing provides long service life
When sealing ducts and other surfaces for heating, ventilation and air conditioning systems (HVAC), it's essential to have a strong, long-lasting foil tape that can stand up well to hot and cold temperatures. The 3M™ Foil Tape 3340 has the combination of 2.0 mil aluminum foil backing and strong, pressure sensitive acrylic adhesive that gives our tape a superb operational temperature range of -40°F (-40°C) to 300°F (149°C) making it ideal for sealing rigid fiberglass duct boards and flexible air duct systems. 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. It also has an easy releasing poly coated kraft paper liner to protect the adhesive and keep the tape ready for use. 3340 tape meets requirements for UL 181 A-P and UL 181 B-FX Listings as a measure of reliability and quality standards. 3M™ Foil Tape 3340 is used in a variety of applications including heating ventilation air conditioning (HVAC), duct closure, vapor seal on reinforced fiberglass duct board, rigid fiber glass duct board, and flexible air ducts and air connectors across a number of industries, including: transportation, specialty vehicle, metalworking, construction, automotive, military and government, general industrial, MRO, electronics and aerospace.
Ideal for sealing rigid, fiberglass ductboard systems and flexible, non-metallic air ducts
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 3M™ 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. 3M™ 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.
Typical properties
| Adhesive Type | Acrylic |
| Application | Sealing HVAC & Duct Work |
| Back Side Adhesive Thickness (Metric) | 0.05 mm |
| Backing (Carrier) Thickness (Imperial) | 2 mil |
| Backing (Carrier) Thickness (Metric) | 0.05 mm |
| Backing Material | Aluminum Foil |
| Brands | 3M™ |
| Elongation at Break | 10.0 % |
| Industries | Automotive, Metalworking, MRO, Transportation, Aerospace, Construction, General Industrial, Military & Government, Specialty Vehicle, Electronics |
| Maximum Operating Temperature (Celsius) | 121 ℃ |
| Maximum Operating Temperature (Fahrenheit) | 250 ℉ |
| Minimum Operating Temperature (Celsius) | -34 ℃ |
| Minimum Operating Temperature (Fahrenheit) | -30 ℉ |
| Primary Liner | Paper |
| Product Color | Silver |
| Tensile Strength (Imperial) | 20.0 lb/in, 29.0 lb/in |
| Tensile Strength (Metric) | 50.8 N/100mm, 350 N/100mm |
| Total Tape Thickness without Liner (Imperial) | 4 mil |
| Total Tape Thickness without Liner (Metric) | 0.1 mm |
| Units per Case | 9.0 |
| Overall Length (Imperial) | 10 yd, 50 yd |
| Overall Length (Metric) | 9.14 m, 45.72 m |
| Overall Width (Imperial) | 2.5 in |
| Overall Width (Metric) | 63.5 mm |
Resources
3M™ Aluminum Foil Tape 3340Data Sheets
(PDF, 105KB)
Reviews
Large Volume Order
For industrial/occupational use only. Not for consumer sale or use.
3M industrial and occupational products are intended, labeled, and packaged for sale to trained industrial and occupational customers for workplace use. Unless specifically stated otherwise on the applicable product packaging or literature, these products are not intended, labeled, or packaged for sale to or use by consumers (e.g., for home, personal, primary or secondary school, recreational/sporting, or other uses not described in the applicable product packaging or literature), and must be selected and used in compliance with applicable health and safety regulations and standards (e.g., U.S. OSHA, ANSI), as well as all product literature, user instructions, warnings, and other limitations, and the user must take any action required under any recall, field action, or other product use notice. Misuse of 3M industrial and occupational products may result in injury, sickness, death, or property damage. For help with product selection and use, consult your on-site safety professional, industrial hygienist, or other subject matter expert.
