... aluminum foil duct tape1.Material : aluminum foil 2.Thickness:18,20,25,30,40,45,50,75mic 3.Adhesive:solvent acrylic aluminum foil duct tapeCompounded Aluminum foil are composing by aluminum foil ... air-conditioning and sealed joints of heating duct systems, automobile, train compartment insulation, pipe ... insulation, and other vessels Specifications:1) Foil thickness: 18, 22, 25, 30, 36, ...