... Facing joints and seams sealing in HVAC ductwork application,2.Low moisture vapor transmission rate makes the tape an ... +150°C (-40° to +302°F). 3. Made from aluminum film coated with solvent adhesive . It is widely used in ... water heater . etc . 4.Size:Width: 48mm, 50mm (2"), 60mm, 63mm (2.5"), 72mm, 75mm (3"), 96mm, 100mm (4").Length: ... 50 yards), 50m, 100m.Core I.D.: 3"(76mm ±1) Aluminum Foil Tape