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Duxia packaging takes you to understand the stand-up pouch

    What is a self-supporting bag? Stand-up bag refers to a flexible packaging bag with a horizontal support structure at the bottom, which does not rely on any support and can stand on its own regardless of whether the bag is opened or not. The English name of the self-supporting bag originated from the French company Thimonier. In 1963, Mr. M. Louis Doyen, the CEO of the French company Thimonier, successfully applied for a patent for the Doypack self-supporting bag. Since then, doypack has become the official name application of the self-supporting bag to date. By the 1990s, it was widely recognized in the American market, and then popularized worldwide

    Stand-up pouch is a relatively novel packaging form, which has advantages in many aspects such as upgrading product grade, enhancing shelf visual effect, portability, convenient use, freshness preservation and sealability. The stand-up pouch is made of laminated PET/foil/PET/PE structure, and can also have 2 layers, 3 layers and other specifications. It depends on the different products of the package. An oxygen barrier protective layer can be added as needed to reduce the oxygen permeability , Extend the shelf life of the product.

    Stand-up pouch packaging is mainly used in fruit juice drinks, sports drinks, bottled drinking water, smokable jelly, condiments and other products. In addition to the food industry, some products such as detergents, daily cosmetics, and medical supplies are also gradually increasing. .

    So far, stand-up bags are basically divided into the following five types:

1. Ordinary stand-up bag:


   and the general form of stand-up pouches use four-sealing form, which cannot be re-closed and re-opened. This stand-up pouch is generally used in the industrial supplies industry.


2. Stand-up pouch with suction nozzle:

  The stand-up pouch with suction nozzle is more convenient to pour or suck the contents, and it can be re-closed and re-opened at the same time. It can be considered as a combination of stand-up pouch and ordinary bottle mouth. This kind of stand-up pouch is generally used in daily necessities packaging, used to contain beverages, shower gels, shampoos, ketchup, edible oil, jelly and other liquid, colloidal, semi-solid products, such as the famous CiCi.



3. Stand-up pouch with zipper:

  The self-supporting bag with zipper can also be re-closed and re-opened. Since the zipper is not closed and the sealing strength is limited, this form is not suitable for encapsulating liquids and volatile substances. According to the different sealing methods, it can be divided into four sealing and three sealing. Four sealing means that the product packaging has a layer of ordinary sealing besides the zipper sealing at the factory. The ordinary sealing must be torn before use. The zipper is then used to achieve repeated sealing and opening. This method solves the disadvantage that the zipper has a small edge sealing strength and is not conducive to transportation. The three-sided sealing is directly used as a zipper sealing, which is generally used to hold lightweight products. Stand-up pouches with zipper are generally used to pack some light solids, such as candies, biscuits, dried fruits, etc., but stand-up pouches with four-sealed sides can also be used to pack heavy products such as rice and cat litter.


4. Special-shaped stand-up pouch:

  It is a new type of self-supporting bag of various shapes, such as waist design, bottom deformation design, handle design, etc., which are produced by changing the traditional bag type according to the packaging needs. It is the main direction of the value-added development of self-supporting bags.

With the advancement of society, the improvement of people’s aesthetic level and the intensification of competition in various industries, the design and printing of stand-up pouches have become more and more colorful, with more and more expressions. The development of special-shaped stand-up pouches has gradually replaced the status of traditional stand-up pouches the trend of.

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