Our 20L Aluminum Foil Aseptic Bag is designed to provide maximum protection for sensitive liquid products. With a multi-layer barrier structure and double-valve system, it ensures product sterility, prevents oxidation, and extends shelf life even under ambient conditions.
Ideal for juice concentrates, dairy ingredients, emulsifiers, and liquid food additives, this aseptic bag is compatible with major filling lines including Tetra Pak, GEA, SIG, and Krones.
🔬 Product Structure & Materials
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Bag Material: Multi-layer composite (PET / AL / NY / PE or AL / PA / PE)
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Aluminum Foil Layer: Ultra-high barrier against oxygen and light for long-term product stability
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Capacity: Standard 20L (customizable range: 5L–220L)
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Outer Packaging: Suitable for corrugated boxes or returnable plastic crates
🧩 Double-Valve Configuration
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Inlet Valve: Connects to aseptic filling lines (CIP/SIP compatible)
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Outlet Valve: Supports direct dispensing and automated filling
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Valve Material: Food-grade PP, PE, or TPV for chemical and food compatibility
Benefits:
✔ Fully sealed during filling and emptying
✔ Prevents secondary contamination
✔ Minimizes oxygen exposure
✔ Ideal for hygienic products like UHT milk or functional beverages
⚙️ Technical Highlights
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Seal Technology: German pulse sealing (+20–35N vs. standard bags)
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Barrier Performance:
▪ Oxygen Transmission Rate (OTR): ≤ 0.1 cc/m²/day
▪ Light Barrier: ≥ 99% -
Sterilization: Gamma irradiation ≥15 kGy
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Lamination: Food-grade, solvent-free process
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Customization:
▪ Valve type, logo print, thickness, hanging holes, handles, etc. -
Line Compatibility: Tetra Pak, GEA, Krones, SIG, and others
📦 Material Options & Structure Comparison
| Material Type | Structure | O₂ Barrier | Light Barrier | Best Use Cases |
|---|---|---|---|---|
| 1. Aluminum Foil | PE / AL / NY / PE | ★★★★★ | 100% | Long-term export, tropical purees |
| 2. VMPET Film | PE / VMPET / PE | ★★★★☆ | Moderate | Tomato paste, concentrates |
| 3. EVOH Co-extruded | PE / EVOH / PE | ★★★★☆ | None (transparent) | Coconut water, dairy, nutrition liquids |
🧪 Typical Applications
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Dairy Products: UHT milk, yogurt bases, flavored milk drinks
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Juices & Concentrates: Pineapple, orange, apple, mango purées
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Sauces & Creams: Cheese sauces, condiments, oil emulsions
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Liquid Ingredients: Stabilizers, vitamins, enzyme blends
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Pharma/Chemicals: Reagents, botanical extracts, lab-use liquids
🌍 Why Choose Aseptic Bags?
Aseptic bags offer secure, lightweight, and cost-effective packaging for sensitive liquids:
✔ Sterile storage without refrigeration
✔ Lightweight, foldable, and export-friendly
✔ Compatible with CIP/SIP filling systems
✔ Reduces logistics and storage cost
✔ Minimizes microbial risk and waste
