120 has an aluminum backing with an aggressive all-weather acrylic adhesive and a silicone coated kraft paper liner. It bonds tightly and permanently to insulation facing and HVAC ducts and also conforms well to both fibrous and sheet metal ducts as well as many irregularly shaped surfaces. It performs well in a wide range of environmental conditions and its backing provides a durable vapor barrier. This tape has low VOC content and is UL Listed and eligible for LEED® compliance credits.
Thickness (mil): 3.1
Adhesion to Steel (oz/in): 60
Adhesive Type: Acrylic
Operation Temp. Range (°F): -25 to 248
Liner: Silicone coated kraft paper
Elongation at Break (%): 3
Tensile Strength (lbs/in): 20