Barrier Foil Ziplock Bags
Introduction 
Micro-Tec ziplock barrier foil bags are ideal for storing and protecting samples. Especially light and moisture sensitive samples. They are re-sealable with the ziplock seal and can be heat-sealed above the ziplock for permanent storage. Tear notches are provided for easy removal of the permanent seal. The bags are constructed as pouches with a wider bottom. The Micro-Tec ziplock barrier foil bags protect samples against:
- moisture
- light (UV)
- oxygen
- dust
- general environmental influences
The barrier foil thickness is 79µm with a laminate construction of 12µm PET, 7µm Aluminium foil and 60µm PE. The laminate construction makes these barrier foil bags though and virtually impermeable to moisture. They are available in 5 sizes from 100 -1000ml in packages of 25.
Specifications of barrier foil material:
| Construction |
Laminate PET / Al / PE |
| Foil thickness: Total PET Aluminium foil PE |
79 µm 12 µm 7 µm 60 µm |
| Weight | 98 g/m2 |
| Oxygen permeability (23°C, 0% relative humidity) | 0.1 CC / m2 / 24h |
| Water vapour permeability (33,7°C, 90% relative humidity) | 0.01 g / m2 / 24h |
| Welding temperature | 165 °C |
| Resistance of side welds | 8.55 kg/15mm |
| Resistance of bottom weld | 9.3 kg/15mm |
| Size tolerance | ± 3 mm |
| Foil thickness tolerance | ± 7% |
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