Premium 2.0 mil aluminum foil tape with cold-weather acrylic adhesive for HVAC sealing and masking. Performs -40°F to 250°F, hand-tearable, UL723 rated, 24 rolls per case.
3M™ Venture Tape™ Aluminum Foil Tape 3520CW is a premium conformable tape measuring 3.7 mil thick, specifically engineered for masking, sealing, and heat shielding applications in HVAC systems and light-reflecting projects. This durable aluminum foil-backed tape features a cold-weather acrylic adhesive system that performs exceptionally well across a wide temperature range from -40°F to 250°F (-40°C to 121°C), making it ideal for demanding industrial environments. The 2.0 mil aluminum foil backing provides excellent flexibility, allowing the tape to conform seamlessly to curved surfaces, irregular shapes, and both fibrous and sheet metal ductwork without requiring special tools or application methods.
The tape is hand-tearable and adheres immediately upon contact to various materials, eliminating the need for additional equipment or specialized installation techniques. It maintains superior bonding properties over extended periods without lifting or curling, ensuring reliable long-term performance in high-heat and high-humidity conditions. The easy-release kraft liner facilitates convenient application while the pressure-sensitive acrylic adhesive guarantees quick bonding and excellent vapor sealing capabilities. This product meets UL723 flame/smoke rating (10/10) and CAN/ULC S102 classification requirements, making it compliant with stringent building codes and safety standards.
Each case contains 24 rolls, with each roll measuring 48 mm in width and 45.7 meters (50 yards) in length, providing substantial coverage for commercial HVAC projects, construction applications, and industrial sealing operations. The aluminum foil construction offers thermal conductivity benefits for heating and cooling efficiency while resisting degradation from moisture, ultraviolet rays, and various chemicals commonly encountered in construction and maintenance environments.
Key Features
- 2.0 mil aluminum foil backing for superior flexibility and conformability to curved and irregular surfaces
- Cold-weather acrylic adhesive performs reliably from -40°F to 250°F (-40°C to 121°C)
- Hand-tearable design eliminates need for special tools or equipment during installation
- UL723 Classified with 10/10 flame/smoke rating and CAN/ULC S102 compliance for building code requirements
- Excellent vapor seal properties for fibrous and sheet metal duct applications
- Easy-release kraft liner for convenient and quick application
- Maintains form without lifting or curling over extended periods
- Thermally conductive backing for enhanced heating and cooling efficiency
- Resists degradation from moisture, UV rays, and chemical exposure
- Pressure-sensitive adhesive bonds immediately upon contact without additional methods
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 |
| Adhesive Type | Acrylic (Cold-Weather Formulation) |
| Overall Width (Imperial) | 1.88 in |
| Overall Width (Metric) | 48 mm |
| Overall Length (Imperial) | 50 yd |
| Overall Length (Metric) | 45.7 m |
| Total Tape Thickness without Liner (Imperial) | 3.5 mil |
| Total Tape Thickness with Liner (Imperial) | 3.7 mil |
| Total Tape Thickness without Liner (Metric) | 0.09 mm |
| Tensile Strength (Imperial) | 23 lb/in |
| Tensile Strength (Metric) | 40.3 N/100mm |
| Elongation at Break | 8.5% |
| Temperature Range | -40°F to 250°F (-40°C to 121°C) |
| Product Color | Silver |
| Flame/Smoke Rating | UL723 Classified (10/10) |
| Additional Compliance | CAN/ULC S102 Classification |
| Quantity per Case | 24 Rolls |
| Liner Type | Easy-Release Kraft |
| Application Type | Pressure-Sensitive (Hand-Tearable) |
| Recommended Applications | HVAC Duct Sealing, Vapor Seals, Masking, Heat Shielding, Light-Reflecting Applications |
| Industries | Construction, Electronics, General Industrial, HVAC, Aerospace, Automotive, Appliance |
| UPC Code | 00750351352029 |
| 3M ID | 7100043755 |
| Use Type | Industrial/Occupational Use Only |
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