Polyken 345SW Premium Self-Wound Foil Tape Heavy-Duty Dead Soft Aluminum Foil for sealing and masking of aircraft. Meets FAR 25.853(a), SAE AMS-T-23397B, and L-T-80B. Applications Aerospace Speed Tape; windshields, and passenger Window mask to protect aircraft ca0pies, windshields, and passenger window surfaces from crazing or hazing during paint stripping operations. Masking tape in paint stripping and electro-plating application. Heavy-duty vapor baarrier applications. Heat shielding and elimination of "hot" spoits in industrial maintenance application. Condenser and evaporator fastener in appliance and refrigeration industry. Diversion trough for wash-off of paints and chemicals during stripping and painting process Composite repair and manufacturing. Features & Benefits Aluminum Foil Backing provides a vapor barrier from moisture, contamination or corrosion. Acts as a heat shield, minimizing heat transfer. Product demonstrates superior conformability, adapting to irregular surfaces extremely well. Acrylic Adhesive System developed for solvent resistance and clean removal from surfaces. High adhesion - adheres tightly without lifting. Excellent aging resistance with long-term bond performance.