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 ... wide used in air-conditioning and sealed joints of heating duct systems, automobile, train compartment insulation, pipe insulation, and other ...