Description
Aluminum Barrier Foil comprises of 3 to 4 layers of different materials. These materials bond together with adhesive or extruded polyethylene and derive their properties from a strong construction .
The aluminum layer is extremely important in laminates. They are used in a wide variety of industries to provide both Dry Product Protection and Corrosion Prevention. Barrier Foil protects the integrity of any application where deterioration of the packaged product may take place due to:
- Moisture
- Oxygen Ingress
- U.V. Light
- Temperature Extremes
- Odors
- Chemicals
- Mold & Fungi Growth
- Grease & Oils
By comparison, polyethylene, with a thickness of 500 gauge, allows water vapor and aggressive gasses to diffuse at a rate of up to 0.26g/100inches²/24hrs which is 80 times faster!
Within a heat-sealed Aluminum Barrier Foil Bag/Liner, a calculated amount of desiccant can be added to ensure that relative humidity (RH) remains well below 40% – the starting point for corrosion.
Advantages:
- Eliminate Corrosion
- Protects Hydroscopic products from moisture ingress and damage.
- Protects Atmospherically sensitive products from the outside environment
- Reduce Desiccant Usage and thus overall shipping weight
- Cut out preservation methods requiring cleaning
- Eliminate the need to re-dry products
- Eliminates Odor transfer, into or out of the pack
- Reduces the need to invest in modified atmosphere storage
- Outer packaging cleanliness
- Suitable for Hot-fill applications
- Suitable for Anti-Static Applications
- Allows for reusable containers
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