Premium 3M Venture Tape aluminum foil tape engineered for cold weather applications with high-strength backing, conformable design, and superior adhesive performance from -40°F to 250°F.
3M™ Venture Tape™ Aluminum Foil Tape 1521CW is a premium-grade conformable tape specifically engineered for cold weather applications and demanding environmental conditions. This 2.8 mil thick tape features high-strength, dead soft aluminum backing that excels in masking, sealing, and light-reflecting applications on fibrous and sheet metal ductwork. The tape is coated with a cold-weather acrylic adhesive that performs exceptionally well at temperatures as low as -10°F (-23°C), making it ideal for vapor sealing reinforced fiberglass and mineral wool thermal insulation, as well as seam and joint sealing operations.
The 1521CW model offers superior resistance to weathering, mold, UV exposure, and extreme environmental conditions with a service temperature range from -40°F/-40°C to 250°F/121°C. Its flexible aluminum backing conforms effortlessly to curved and irregular surfaces, eliminating the need for special tools or application methods. The tape is hand-tearable, pressure-sensitive, and maintains its form without lifting or curling even after extended periods of time. Each case contains 24 rolls, with each roll measuring 48 mm (1.88 inches) wide and 45.7 meters (50 yards) long.
This industrial-grade tape meets rigorous safety standards including UL723 flame/smoke rating (10/10 5/10) and CAN/ULC S102 classification. It is also U.S. Coast Guard Approved (CGA #164.112/63/0). The product is backed by 3M's exclusive technical expertise and is suitable for demanding applications in construction, aerospace, automotive, appliance, and maintenance sectors. With a 12-month shelf life and exceptional durability, the 1521CW provides reliable performance in the most challenging industrial environments.
Key Features
- High-strength dead soft aluminum backing ideal for fibrous and sheet metal ductwork applications
- Cold weather acrylic adhesive performs at temperatures as low as -10°F (-23°C)
- Hand-tearable and easy to install without special tools or application methods
- High puncture and tear resistance ensures long life and durability in demanding environments
- Flexible backing conforms to curved and irregular surfaces with excellent adhesion
- UL723 flame/smoke rated (10/10 5/10) and U.S. Coast Guard approved
- Service temperature range from -40°F/-40°C to 250°F/121°C
- Superior resistance to weathering, mold, UV exposure and extreme environmental conditions
- Maintains form without lifting or curling after extended periods
- Case includes 24 rolls for large-scale industrial applications
Technical Specifications
| Specification |
Value |
| Product Number | 1521CW |
| Brand | 3M Venture Tape™ |
| Adhesive Type | Cold Weather Acrylic (Pressure Sensitive) |
| Backing Material | Aluminum Foil (Dead Soft) |
| Backing Thickness (Imperial) | 1.4 mil |
| Backing Thickness (Metric) | 0.04 mm |
| Total Tape Thickness | 2.8 mil (2.7 mil without liner) |
| Overall Width (Imperial) | 1.88 inches |
| Overall Width (Metric) | 48 mm |
| Overall Length (Imperial) | 50 yards |
| Overall Length (Metric) | 45.7 meters |
| Tensile Strength (Imperial) | 15 lb/in |
| Tensile Strength (Metric) | 26.3 N/100mm |
| Elongation at Break | 4% |
| Primary Liner | Polycoated Kraft |
| Product Color | Silver |
| Minimum Operating Temperature (Fahrenheit) | -40°F |
| Minimum Operating Temperature (Celsius) | -40°C |
| Maximum Operating Temperature (Fahrenheit) | 250°F |
| Maximum Operating Temperature (Celsius) | 121°C |
| Application Temperature | Effective down to -10°F (-23°C) |
| Case Quantity | 24 rolls per case |
| Shelf Life | 12 months |
| UPC Code | 00051128955611 |
| 3M ID | 7100043781 |
| Flame/Smoke Rating | UL723 (10/10 5/10) |
| Additional Certifications | CAN/ULC S102, U.S. Coast Guard Approved (CGA #164.112/63/0) |
| UL File Number | #R10984 |
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