3M Aluminium Foil Tapes 425 and 427 combine a 70 µm nominal dead-soft aluminum foil backing with a transparent acrylic adhesive; 427 offers an easy-release liner. The very low moisture vapor transmission rate makes them a good sealant.
Features
- Very low moisture vapor transmission
- Long service life indoors and outdoors
- Reflects heat and light
- Does not contaminate aluminum electroplating baths
Applications
- Aircraft paint stripping maskant
- Repairing tears on truck trailers and aircraft
- Heat reflection and dissipation; moisture barrier
- General holding, patching and sealing
Specifications
- Backing 0.07 mm; adhesive 0.05 mm; total 0.12 mm (without liner)
- Adhesion to stainless steel (ASTM D3330): 55 N/100 mm
- Tensile strength: 490 N/100 mm; elongation: 6 %
- WVTR (ASTM D3833): 0.2 g/m²/24 h
- Temperature range: -55 °C to 150 °C
- Meets FAR 25.853(a); UL 746 and UL 723 Class L low flammability
| General | |
|---|---|
| Color | Silver |
| Uncategorized | |
| Tape Size | 450mm x 55m x 4.6 mil or 50MM x 50 MT or 50mm x 55 mt |