What is the production process for liquid packaging bags.stand up spout pouch manufacturers

Liquid aseptic packaging is a high-tech method of food preservation, which refers to the packaging technology where the packaged food is sterilized for a short period of time before packaging, and then filled and sealed in a sterile environment under sterile conditions of the packaging, packaging, and packaging auxiliary equipment, in order to achieve a longer shelf life of the food without adding preservatives or refrigeration conditions, Greatly saves energy and equipment. Products packaged in liquid packaging bags can generally be stored for 12-18 months.

Sterile packaging bags are composite soft packaging bags with filling ports. They are placed in cardboard boxes, wooden boxes, or steel drums to form a composite packaging container. Therefore, it is also called a bag in a box or a bag in a barrel. Aseptic packaging bags are one of the main containers for aseptic packaging of liquid food.

The production process of liquid aseptic packaging materials is as follows: first, images and texts are flexographic printed (or gravure printed) on the aseptic packaging paper, and then the patterned paper is compounded into 7 layers of aseptic packaging materials through a laminating machine. Then, the materials are cut into corresponding specifications and sizes, and packaged with wrapping film. The products are then sent to customers and canned into finished products on the liquid filling machine.

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