IPG® ALF201UL Aluminum Foil Tape
IPG® ALF201UL Aluminum Foil Tape is a UL 181A-P and UL 181B-FX listed tape engineered for permanent sealing and insulation system applications in HVAC environments. This professional-grade tape delivers reliable adhesion and long-term performance on fiberglass duct board, flexible air ducts, and foil-faced insulation systems. Designed to perform in a variety of demanding temperature and humidity conditions, ALF201UL provides excellent vapor barrier integrity, moisture resistance, and heat reflectivity, making it ideal for code-compliant duct sealing and insulation wrap reinforcement.
Applications include: HVAC duct wrap, protective mask during chemical stripping of metals and other surfaces.
- Excellent moisture resistance and vapor barrier integrity
- Strong adhesion to fiberglass ductboard, foil-faced insulation, and flexible ducts
- High heat reflectivity for energy-efficient insulation systems
- Suitable for chemical masking and code-compliant duct sealing
| Property | Specification |
| Backing (Carrier) Material | 2 mil Dead-soft aluminum foil |
| Adhesive Material | 2 mil Acrylic PSA |
| Adhesion to Steel (D3330) | 50 oz/in |
| Tensile Strength (kPa) | 172 kPa |
| Tensile Strength (PSI) | 25 psi |
| Elongation at Break | 6% |
| Shielding Effectiveness (Average 300kHz - 2.5GHz) | |
| Product Color | Silver |
| Insulation Resistance | |
| Certifications | UL 181A-P, UL 181B-FX Listed |
| Thickness (Imperial) | 4 mil |
| Thickness (Metric) | 0.1mm |
| Maximum Operating Temperature (Celsius) | 176°C |
| Maximum Operating Temperature (Fahrenheit) | 350°F |
| Minimum Operating Temperature (Celsius) | -34°C |
| Minimum Operating Temperature (Fahrenheit) | -30°F |
