Polyken 347 PREMIUM FOIL TAPE (LINERED) - HEAVY DUTY Linered aluminum foil for sealing and masking of aircraft. Meets FAR 25.853(a). Applications Aircraft sealing and masking applications. Used as a window mask to protect aircraft canopies, windshields and passenger window surfaces from crazing and/or hazing during paint stripping operations. Used as a moisture barrier. Provides protective coverage during maintenance and solvent resistance. Features & Benefits Aluminum foil backing provides a vapor barrier protection from moisture, contamination or corrosion. 1. Acts as a heat shield, minimizing heat transfer. 2. Product demonstrates superior conformability, adapting to irregular surfaces extremely well. Acrylic Adhesive System developed for solvent resistance and clean removal from surfaces. 1. High adhesion - adheres tightly without lifting. 2. Excellent aging resistance with long-term bond performance. Silicone Paper Liner offers ease of release and ease of removal after die cutting.