Premium aluminum foil tape with cold-weather acrylic adhesive for HVAC and duct sealing. Conformable 2.0 mil backing, hand-tearable, performs -40°F to 250°F. UL723 rated, 16 rolls per case.
3M™ Venture Tape™ Aluminum Foil Tape 3520CW is a premium conformable aluminum foil tape specifically engineered for HVAC applications and general-purpose heat shielding. This 3.7 mil thick tape features a 2.0 mil aluminum foil backing that easily conforms to irregular surfaces, curved ductwork, and fibrous sheet metal applications. The tape is coated with a specialized cold-weather acrylic adhesive system that delivers exceptional performance across a wide temperature range from -40°F to 250°F (-40°C to 121°C), making it ideal for both extreme cold and high-temperature environments.
Designed for professional industrial use, this pressure-sensitive tape offers excellent vapor sealing capabilities for fibrous and sheet metal ducts. The hand-tearable design eliminates the need for special tools or application methods, allowing for quick and easy installation on job sites. The tape maintains superior bonding properties without lifting or curling over extended periods, ensuring long-lasting performance in demanding applications. With its easy-release kraft liner, installation is straightforward and efficient.
The 3520CW tape meets rigorous safety standards including UL723 flame/smoke rating (10/10 classification) and CAN/ULC S102 classification requirements. Each case contains 16 rolls, with each roll measuring 72mm wide by 45.7 meters (50 yards) long. This industrial-grade tape is backed by exclusive 3M technical expertise and is suitable for construction, aerospace, automotive, appliance, and maintenance applications where reliability and performance are critical.
Key Features
- 2.0 mil aluminum foil backing conforms to irregular surfaces and curved ductwork
- Cold-weather acrylic adhesive performs from -40°F to 250°F (-40°C to 121°C)
- Hand-tearable design requires no special tools or application methods
- Excellent vapor sealing for fibrous and sheet metal ducts with superior bonding
- UL723 flame/smoke rated (10/10 classification) and CAN/ULC S102 certified
- Maintains form without lifting or curling over extended periods
- Easy-release kraft liner for quick and efficient installation
- Thermally conductive for improved heating and cooling efficiency
- Resists moisture, ultraviolet rays, and many chemicals
- Ideal for HVAC, construction, aerospace, automotive, and maintenance applications
Technical Specifications
| Specification |
Value |
| Product Number | 3520CW |
| Brand | 3M Venture Tape™ |
| Backing Material | Aluminum Foil |
| Backing Thickness (Imperial) | 2 mil |
| Backing Thickness (Metric) | 0.05 mm |
| Total Tape Thickness (Imperial) | 3.7 mil |
| Total Tape Thickness without Liner (Imperial) | 3.5 mil |
| Total Tape Thickness without Liner (Metric) | 0.09 mm |
| Overall Width (Imperial) | 2.83 inches |
| Overall Width (Metric) | 72 mm |
| Overall Length (Imperial) | 50 yards |
| Overall Length (Metric) | 45.7 meters |
| Tensile Strength (Imperial) | 23 lb/in |
| Tensile Strength (Metric) | 40.3 N/100mm |
| Elongation at Break | 8.5% |
| Adhesive Type | Acrylic (Cold-Weather) |
| Temperature Range | -40°F to 250°F (-40°C to 121°C) |
| Product Color | Silver |
| Rolls per Case | 16 rolls |
| UPC Code | 00051115783111 |
| 3M ID | 7100043750 |
| Flame/Smoke Rating | UL723 Classified (10/10 Rating) |
| Additional Certification | CAN/ULC S102 Classification |
| Application | Exterior Seams & Joints, Interior Seams & Joints, Sealing HVAC & Duct Work |
| Industries | Construction, Electronics, General Industrial |
| Liner Type | Easy-Release Kraft |
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