... 3.Adhesive:solvent acrylic aluminum foil duct tapeCompounded Aluminum foil are composing by aluminum foil, fiberglass cloth, mesh ... duct systems, automobile, train compartment insulation, pipe insulation, and other vessels Specifications:1) Foil thickness: 18, 22 ... 1,000mInner packing:Cut roll: core and shrink wrappingLog roll: cardboard wrappingJumbo roll: plastic film + corrugated board wrapping