... aging resistance, and water vapor resistance Aluminum Foil Tape Features:1) High tensile strength aluminum foil made from special aluminum alloy, coated with aggressive solvent ... Designed for sealing joints and seams of foil jacketing in air-conditioning duct workSpecifications:1) Foil thickness: 18, 22, 26,30,36 ... : 48, 50, 60, 72, 75, 96, 100mm 3) Roll length: 27, 30, 45, 50m4) Log roll: 1.2 x 45m ...