Why choose our Aluminum Foil Tape? Industrial Ideal Choose - perfect for dryer vent, air duct sealing, ac unit, furnace, hot water heater, metal repair and skylight heat reflection etc. High Temperature- Withstands extreme temperature from -20°C to 180°C. Moderate thickness - Not easy to curl and break.Traceless removal - Super sticky, does not leave a sticky residue when removed, Suitable for irregular surfaces and corners Widely Application : - Sealing hot and cold air ducts (quality HVAC tape), - Insulating aluminum duct pipes, - Aluminum alloy seals, - Stainless steel and plastic joints/joints, - Temporary repair of metal surfaces, - Copper pipe fixing, etc. Specification: Name:Flexible aluminum foil Length:17yard Width:2 inch wide Thickness:3.15 Conductivity: single-sided conductive