Professional-grade FSK facing tape with cold weather acrylic adhesive, tri-directional reinforced backing, and superior temperature performance from -40°F to 240°F for HVAC ductwork sealing and insulation applications.
3M™ Venture Tape™ FSK Facing Tape 1525CW is a premium adhesive tape specifically designed for sealing and patching FSK-faced duct wrap insulation and serving as a vapor seal for reinforced aluminum-faced fiberglass and mineral wool thermal insulation. This professional-grade tape features a foil/scrim/kraft (FSK) lamination coated with a solvent acrylic, pressure-sensitive adhesive that bonds and seals at temperatures as low as -10°F (-23°C), making it ideal for cold weather applications while maintaining excellent performance in demanding heat and humidity conditions.
The tape is engineered with a 5.5 mil tri-directional reinforced backing that provides superior resistance to weathering, mold, UV exposure, and environmental conditions. It easily conforms to irregular surfaces and shapes without requiring special tools or application methods, ensuring quick and efficient installation on both fibrous and sheet metal ductwork. With a service temperature range from -40°F/-40°C to 240°F/116°C, this versatile tape delivers consistent performance across a wide spectrum of environmental conditions.
Meeting UL723 flame/smoke rating (10/10) and ASTM specification C1136 Type II and IV standards, this tape ensures safe use in demanding applications. The cold weather acrylic adhesive provides quick stick at normal temperatures with superior low-temperature performance, delivering good holding power for extended periods with excellent aging properties that resist lifting and curling. For best results, store tape in a cool, dry environment.
Key Features
- Foil/scrim/kraft laminate backing for superior durability and puncture resistance
- Cold weather acrylic adhesive specifically formulated for temperatures as low as -40°F/-40°C
- 5.5 mil tri-directional reinforced backing with excellent tear resistance
- UL723 classified (10/10 flame/smoke rating) and ASTM C1136 Type II and IV compliant
- Flexible backing conforms easily to curved and irregular surfaces without special tools
- Excellent performance in demanding heat and humidity conditions up to 240°F/116°C
- Superior resistance to weathering, mold, UV exposure, and environmental degradation
- Easy installation without special tools or application methods required
- Excellent aging properties that resist lifting and curling over time
- Ideal for sealing fibrous ductboard, sheet metal ducts, and thermal insulation systems
Technical Specifications
| Specification |
Value |
| Product Name | 3M Venture Tape FSK Facing Tape 1525CW |
| Part Number | 1525CW |
| UPC Code | 00750351152537 |
| Backing Material | Foil Scrim Kraft (FSK) Laminate |
| Backing Thickness (Imperial) | 4 mil |
| Backing Thickness (Metric) | 0.1 mm |
| Total Tape Thickness | 5.5 mil (0.14 mm) |
| Adhesive Type | Solvent Acrylic, Pressure-Sensitive, Cold Weather |
| Overall Width (Imperial) | 2.83 inches |
| Overall Width (Metric) | 72 mm |
| Overall Length (Imperial) | 54.68 yards |
| Overall Length (Metric) | 45.7 meters |
| Tensile Strength (Imperial) | 39 lb/in |
| Tensile Strength (Metric) | 68.3 N/100mm |
| Elongation at Break | 2% |
| Minimum Operating Temperature (Fahrenheit) | -40°F |
| Minimum Operating Temperature (Celsius) | -40°C |
| Maximum Operating Temperature (Fahrenheit) | 240°F |
| Maximum Operating Temperature (Celsius) | 116°C |
| Application Temperature | -10°F (-23°C) minimum |
| Primary Liner | Polycoated Kraft |
| Product Color | Silver |
| Brand | Venture Tape™ |
| Case Quantity | 16 Rolls per Case (6.0 Bags per Case) |
| Flame/Smoke Rating | UL723 Classified (10/10) |
| ASTM Compliance | ASTM C1136 Type II and IV |
| Recommended Applications | Sealing FSK-faced duct wrap insulation, vapor seal for thermal insulation, fibrous ductboard, sheet metal ducts |
| Storage Conditions | Cool, dry environment |
| Reinforcement | Tri-directional reinforced backing |
| Use Type | Industrial/Occupational use only |
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