Introduction
Foil Barrier Bag-in-Box Bags incorporate a dedicated aluminum foil layer within the laminate structure, offering the highest level of barrier against oxygen, light, and moisture vapor. This material choice is mandatory for liquids requiring the maximum possible protection against oxidation and long-term flavor stability. Suzhou Jingle Packaging ensures the foil layer is free from micro-pinholes, maintaining the integrity of the total barrier structure.
This premium solution is often specified for products intended for distribution through lengthy, unregulated international supply chains.
Specification
| Film Structure | PET/Foil/PE or PET/Nylon/Foil/PE |
| OTR (Oxygen Transmission Rate) | Typically below 0.01 cc/m}^2/day (Extremely Low) |
| Foil Thickness | 7 mu m to 9 mu m (Standard aluminum thickness) |
| Light Protection | 100% opaque barrier |
| Fill Compatibility | Suitable for Aseptic, Hot, and Cold filling processes |
Logistics & Global Compatibility
High-Risk Product Safety: The robust barrier is essential for securing high-value or highly sensitive liquids during long-distance global shipping.
Export Requirements: Often the preferred material choice for buyers in markets with extreme climate conditions (high heat or humidity).
Quality Control: Each foil bag is subjected to rigorous leak testing using inflation or water bath methods to verify seal integrity before dispatch.
Global Certification: Raw materials comply with EU Regulation 10/2011 and relevant US FDA requirements for food contact.
FAQ
- Q: How does a full foil barrier compare to a metallized film barrier?
- A: A full foil barrier offers a significantly lower OTR (higher barrier performance) than a metallized film, as the foil layer is thicker and less prone to microscopic defects that can occur during metallization.
- Q: Is the foil bag suitable for use in microwave or heating applications?
- A: No, the metal layer makes foil bags unsuitable for microwave heating and limits their use in certain high-frequency processing environments.
- Q: Are foil bags compatible with automated bag feeding systems?
- A: Yes, the stiffness provided by the multi-layer foil laminate often aids in the consistent feeding and placement of bags in high-speed filling equipment.
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