Trilaminate retort pouch, also called 3-layer retort pouch, is a high-quality flexible packaging bags tailored to satisfy the stringent requirements of the ready0to-eat food and meal industries. Made from with durable three-layer PET/AL/RCPP material structure, our retort pouches provide exceptional barrier performance, outstanding protection, and prolonged shelf life for various ready-to-eat meal products.
1. Outer Prinitng Layer (Polyester - PET)
The outer layer is PET, offering excellent printability, allowing for vibrant and detailed custom design. It also provides high strength and resistance to external factors, ensuring the retort pouch remains intact during transportation.
2. Middle Layer (Aluminum Foil - AL)
The aluminum foil layer acts as a strong barrier against light, oxygen, and moisture. This barrier is important for preserving the freshness, flavor, and nutritional value of the rretort food products inside.
3. Inner Sealing Layer (Retortable Polypropylene - RCPP)
The inner layer is in direct contact with the food and is designed to be safe and non-reactive. It is the key to the pouch's ability to withstand high-temperature sterilization processes, making it ideal for retort applications.It provides excellent heat-sealing properties, ensuring a secure and leak-proof sealing.
High temperature retort pouches are designed to withstand the rigorous processing conditions involved in retort sterilization. 
（1）Classified by temperature & time conditions：
| Class | Class Condition | Comment |
|
Water Boiling |
Sterilized by 100℃ boiling water |
Sterilizing 30min |
|
Medium temperature Retort |
Retorting sterilization below 121℃ including 121℃） |
Sterilizing 40min |
|
High temperature Retort |
High temperature sterilization below 135℃（including135℃ ） |
Sterilizing 30min |
（2）Classified by FDA standards
|
Class |
Time Condition |
Shelf Life of Contents |
|
121℃ Retort Pouch |
Below 121℃, 20-60min |
Over 6 months |
|
135℃ Retort Pouch |
135℃, about 20min |
1~2 years |
|
140℃ Retort Pouch |
Below 140℃, usually 2~5min |
Microwave heating within 2 years |
As a professional supplier of flexible packaging bags, we manufacture high quality and durable retort pouch, which can be used to the following application:
