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 |
Adhesive Material | Silicone |
Backing (Carrier) Material | Polyimide |
Maximum Operating Temperature (Celsius) | 260 °C |
Maximum Operating Temperature (Fahrenheit) | 500 °F |
Product Color | Amber, Dark Amber |
Total Tape Thickness without Liner (Imperial) | 3.3 mil |
Total Tape Thickness without Liner (Metric) | 0.08 mm |

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