Aluminum Foil TapeRoll Thermally conductive tape helps dissipate heat and improves heating and cooling efficiency to protect temperature sensitive materials Resistant to chemicals to protect surfaces during de paint process and other chemical masking operations Highly engineered acrylic adhesive provides long term durability, but removes cleanly after harsh masking applications Withstands exposure to flame, weathering, moisture and UV Length: 55 m (180') Thickness: 4.