Retort Pouch
Retort packaging bags are a unique type of flexible packaging that can withstand high temperatures 121 ℃ and pressures, making them ideal for packaging ready-to-eat meals, soups, sauces, and other food products that require sterilization.
These bags are made from multiple layers of materials, each serving a specific purpose to ensure the product’s safety, shelf life, and integrity.
Here are the key features and benefits of retort packaging bags
Retort pouches features
Withstand 121℃ for 45min and 134℃ for 5min
Multi-layer Structure
retort bags are made of three or more layers. It could be with or without aluminum foil, or Alxo PET
Heat Resistance
Designed to withstand 121℃ for 45min and 134℃ for 5min during the retort (sterilization) process
Barrier Properties
Excellent barrier against moisture, oxygen, and light, ensuring extended shelf life for the products inside
Hermetic Seal
Ensures the package is airtight, no leakage preventing contamination and preserving the freshness of the food.
Regular
Retort Pouch
Microwavable
Retort Pouch
Auto Ventilation
Retort Pouch
Outside Layer: Polyester (PET)
Barrier Layer: Aluminum Foil (AL)
Abrasion Resistance Nylon (NY)
Inside Layer: Polypropylene (PP)
Outside Layer: High Barrier Polyester (PET)
Abrasion Resistance: Nylon (NY)
Inside Layer: Polypropylene (PP)
Built-in vents or valve mechanisms that automatically open to release excess steam during the retort process, then close to maintain a hermetic seal
Applications
Withstand 121℃ for 45min and 134℃ for 5min
Ready-to-Eat Meals
Convenient packaging for meals that just need to be heated before consumption.
Soups and Sauces
Keeps liquids fresh and ready to serve only need cooking a while in the oven or boiling
Pet Food
Ideal for single-serving portions, maintaining freshness and nutrition of food
Medical and Nutritional Products
Used for packaging sterile medical foods and supplements.