Polyken 347 is a premium heavy-duty aluminium foil tape with an acrylic adhesive and a paper release liner. In aircraft maintenance it is used for sealing and masking, including protecting canopies, windshields and passenger windows from crazing or hazing during paint stripping.
Features
- Heavy-duty foil backing; barrier to air, moisture and corrosion
- Acts as a heat shield to minimise heat transfer
- Conformable to irregular surfaces and contours
- Acrylic adhesive: excellent bond to most surfaces, solvent resistant, excellent high-temperature performance
- Paper release liner, ideal for die-cutting
Applications
- Aircraft sealing and masking
- Window masking during paint stripping (canopies, windshields, passenger windows)
- Insulation seal, patch and repair
- Heavy-duty vapour barrier sealing for sheet metal, flexible and fibreglass duct systems
Typical Values
- Total thickness: 5.5 mils (0.140 mm); foil thickness 3.0 mils
- Adhesion to steel: 50 oz/in (5.47 N/cm)
- Tensile strength: 26 lb/in (45.53 N/cm)
- Operating temperature: -17 to 127 °C (0 to 260 °F)
Storage
- 60–80 °F at 40–60% RH; shelf life 24 months from date of manufacture
| Tape Size | 36" RL |