Custom high-temperature retort pouches support seal integrity and package stability through customer-validated thermal processing
Describe
A retort pouch experiences heat, pressure and moisture at the same time. The correct structure depends on more than a single temperature figure: holding time, pressure profile, cooling, food composition and headspace all matter.
FUYA can develop clear or opaque multilayer pouches for prepared meals, sauces, meat and other heat-processed foods. Pouch size, barrier level, sealant layer and opening features are selected around the process and final presentation.
Provide the complete retort schedule, filling conditions, product type, pouch dimensions and sealing equipment when requesting a sample. Suitability must be confirmed after processing the actual packed product.
| Product Specifications | Custom options available | Sample Test Report | PA/PP · 150 μm sample | ||||
| Material structure | PA/EVOH/PE; PP/EVOH/PP; PE/EVOH/PE | Test item | Measured result | Test standard / condition | |||
| Layer options | 7-layer, 9-layer and 11-layer high-barrier structures | Thickness | Avg. 152.0 μm Range 140–161 μm |
ISO 4593 Nominal 150 μm |
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| Thickness range | 50–400 μm | Tensile strength | MD 36.126 / TD 35.889 MPa | ASTM D882 MD / TD ≥ 30 MPa |
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| Maximum width | Up to 3,500 mm | Elongation at break | MD 520.1% / TD 553.7% | ASTM D882 MD / TD ≥ 300% |
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| Applications | Meat, seafood, cheese, ready meals and medical packaging | Heat-seal strength | 58.836 N/15 mm | ASTM F2029 ≥ 35 N/15 mm |
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| Features | High barrier, deep forming, puncture resistance and stable sealing | Intermediate peeling | No peeling | DIN 53357 | |||
| Customization | Thickness, width, color, printing and barrier level | Transmittance | 93.5% | ASTM D1003 ≥ 90% |
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| Documents | ISO 13485, test reports and food-contact documents available | Haze | 6.44% | ASTM D1003 ≤ 8% |
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| RFQ information | Application, structure, thickness, width, quantity and destination country | WVTR | 2.43 g/(m²·24 h) | ASTM F1249 38°C / 90% RH / 1 atm |
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| OTR | 14.76 cm³/(m²·24 h) | ASTM D3985 23°C / dry / 1 atm |
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| Full report available on request | |||||||
High temperature resistant retort pouches are flexible, multi-layer laminated packages designed to withstand sterilization temperatures between 121°C and 135°C (250–275°F). They combine the shelf-stability of metal cans with the lightweight convenience of plastic, allowing for long-term storage of ready-to-eat meals, soups, and pet food without refrigeration.
Applications
Ready-to-Eat (RTE) Meals: Ideal for pre-cooked items like pasta, curry, stews, and rice dishes that require long shelf life without refrigeration.
Seafood and Meat Products: Used for packaging fish (tuna, salmon, sardines) and meat in sauces or soups, offering superior taste retention compared to traditional canning.
Wet Pet Food: Widely used for premium, high-protein wet pet food that requires sterilization.
Baby Food: Provides a lightweight, break-resistant, and child-safe alternative for jarred baby food.
Military and Camping Rations: Known as MREs (Meals Ready-to-Eat), these pouches are durable for harsh environments and are convenient to carry and heat.
Medical and Pharmaceutical Packaging: Used for sterilization-critical items, such as surgical instrument kits and special liquid nutrition, ensuring long-term sterility.
Soups and Sauces: Used to package liquid-heavy items securely.
Advantages
Superior Food Quality and Nutritional Value: Because the pouches are thin, they allow for faster heat penetration, resulting in faster cooking (retorting) times (up to 60% faster) compared to cans. This shorter sterilization time prevents overcooking, preserving the food's original flavor, texture, color, and nutritional content.
Long Shelf Life Without Preservatives: The multi-layer laminate construction (often containing PET, aluminum foil, and RCPP) provides excellent barrier properties, protecting food from light, oxygen, and moisture. This allows products to remain shelf-stable for up to 18–24 months without needing refrigeration or preservatives.
Convenience and Consumer Experience: They are lightweight, space-efficient, and easy to carry, store, and transport, both for manufacturers and consumers. Consumers can simply heat the food in boiling water (boil-in-bag) or directly in a microwave. Many pouches also feature tear notches for easy, tool-free opening.
High Performance and Safety: Designed to withstand high temperatures ( 120℃-140℃), they maintain structural integrity (high durability, puncture resistance) during processing. They are safe and hygienic, with no risk of breakage or injuries associated with glass.
Sustainability and Cost Efficiency: They offer 30%–40% energy savings during the sterilization process compared to traditional metal cans. Furthermore, they are more cost-effective to produce and, because they are lightweight and compact, they require less energy to transport, resulting in a lower carbon footprint.
Pics
About Factory
Packing & Delivery
FAQ
1.How to order ?
Contact our sales, send us film dimensions, qty, and specifications details, after we checked all details we will send you formal quotation
2. What size can we provide?
We provide thicknesses from 25-380 microns, with a max width of up to 3500 mm, customize size available
3. when can i get them after placed an order ?
Normally our prepare goods time 2-3days , if customize films at least 1 week
4. Can we get sample for testing
Yes we can provide sample for free
5. Why Choose us?
We have extensive industry experience and a professional team. 24 Hours Online Service. Good service with high quality products for selling, fast delivery with careful after selling services
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