Nowadays, people’s purchasing power for fast-moving consumer goods is also growing. The rapid development of the fast-moving consumer goods market has also led to the rise of the food packaging industry. Nowadays, the types and uses of food packaging are very wide. Good packaging can help products establish a high-quality image, improve product competitiveness, and promote product sales.


There are many ways to classify food packaging. If classified according to technology, it can be divided into: moisture-proof packaging, waterproof packaging, mildew-proof packaging, fresh-keeping packaging, quick-frozen packaging, breathable packaging, microwave sterilization packaging, aseptic packaging, inflatable packaging, vacuum packaging, deoxygenated packaging, blister packaging, stickers Body packaging, stretch packaging, retort bag packaging, etc. The various packaging mentioned above are all made of different composite materials. Their packaging characteristics correspond to the requirements of different foods and can effectively maintain the quality and stable functions of the food itself.



Products packaged in stand-up bags are very convenient for shoppers: because they are soft plastic packaging, they are lightweight and not easily damaged. Shopping bags will not be broken by hard packaging and are easier to dispose of than bottles. In addition, zipper stand-up bags can be filled repeatedly; nozzle stand-up bags make food more convenient to pour; perfect printing quality can help retailers attract consumers’ attention; stand-up bags, cans, packaging are subject to fewer regulations and so on. The current stand-up bag technology can already realize many dreams, which is an excellent market opportunity for soft plastic manufacturers. Some people in the industry also pointed out that with the introduction of high-capacity bagging automation equipment, the development potential of flexible packaging bags is growing.



The spout bag became popular in the 1990s. It is a flexible packaging bag with a horizontal support structure at the bottom and a spout on the top or side. It can stand on its own without relying on any support, so it is named a self-standing spout bag.


It is a relatively new form of packaging that has many advantages in improving product quality, enhancing shelf visual effects, being portable, convenient to use, fresh-keeping and sealable.


The stand-up bag is made of PET/PA/PET/PE structure laminated. It can also have 2 layers, 3 layers and other specifications of materials. Depending on the different products packaged, an oxygen barrier protective layer can be added as needed to reduce the oxygen permeability. , extend the shelf life of the product. Ordinary stand-up bags and general forms of stand-up bags adopt four-edge sealing and cannot be re-closed and opened repeatedly; stand-up bags with suction nozzles are more convenient for dumping or absorbing the contents, and can be re-closed and opened repeatedly. They can be considered as the stand-up bags and stand-up bags. The combination of ordinary bottle mouth; the imitation mouth type self-supporting bag combines the convenience of the self-supporting bag with a suction nozzle and the cheapness of the ordinary self-supporting bag, that is, the function of the suction nozzle is realized through the shape of the bag itself, but the imitation mouth type self-supporting bag cannot be repeated Sealing; special-shaped stand-up bags are new stand-up bags of various shapes produced by changing traditional bag shapes according to packaging needs, such as waist design, bottom deformation design, handle design, etc., which are the current value-added stand-up bags the main direction of development.


The packaging form of stand-up pouch is widely used in soy milk products. Compared with other packaging, stand-up pouch packaging is clean and convenient. You can open it when you want to drink, and screw it on if you don’t want to drink without waste. And it can meet different sterilization and storage conditions in soy milk production. It can be kept for 3 to 5 days under refrigerated conditions and about 1 month under normal temperature conditions. At the same time, breakfast soy milk and freshly made soy milk have also begun to be packaged in stand-up bags.

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