The food can be kept intact in the bag, after being sterilized and heated at high temperature (generally at 121~135°C), it can be taken out and eaten. Proven in use for over a decade, it is an ideal sales packaging container. It is suitable for the packaging of meat and soybean products. It is convenient, hygienic and practical, and can well maintain the original flavor of food, which is favored by consumers.
In order to meet the performance requirements of the retort pouch, the outer layer of the structure is made of high-strength polyester film, the middle layer is made of light-shielding and air-tight aluminum foil, and the inner layer is made of polypropylene film.
Three-layer structure: PET/AL/CPP, PPET/PA/CPP two kinds,
The four-layer structure has PET/AL/PA/CPP.