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Detailed explanation of five self-standing bags
Stand-up pouches are a relatively new packaging format with advantages in many aspects, including enhancing product grade, improving shelf visual appeal, portability, ease of use, freshness, and sealing. Stand-up pouches are laminated with PET/AL/PET/PE structure, and can also be made into two-layer, three-layer, etc. specifications.
Stand-up pouch It is a relatively novel packaging form, which has advantages in many aspects such as enhancing product grade, enhancing shelf visual effects, portability, ease of use, freshness and sealing. Stand-up pouches are laminated with PET/AL/PET/PE structure, and can also be made into two-layer, three-layer and other specifications. According to different packaging products, oxygen barrier layer can be added as needed to reduce oxygen permeability and extend the shelf life of products.
So far, Stand-up pouch It is basically divided into the following five types:
1. Ordinary stand-up pouch:
Ordinary stand-up pouches use a four-side sealing method and cannot be resealed or opened again. This Stand-up pouch is generally used in the industrial products industry.
2. Stand-up pouch with spout:
With a spout, Stand-up pouch it is more convenient to pour or suck out the contents, it can be reclosed and reopened, and the combination of stand-up pouch and ordinary bottle mouth can be considered. This kind of stand-up pouch is generally used for the packaging of daily necessities, used to pack liquid, colloid, semi-solid products such as beverages, shower gel, shampoo, ketchup, edible oil, jelly, etc., such as Xizhilang Ciji.
3. Zipper stand-up pouch Stand-up pouch :
Zipper stand-up pouch Stand-up pouch can be reclosed and opened. Because the zipper is not completely sealed, the sealing strength is limited, and it is not suitable for packaging liquids and volatile substances. According to different sealing methods, it can be divided into four-side sealing and three-side sealing. Four-side sealing means that when the product packaging leaves the factory, in addition to the zipper seal, there is another layer of ordinary sealing. When using, you need to tear open the ordinary sealing first, and then use the zipper to repeatedly open and close. This method solves the disadvantage that the zipper sealing strength is not conducive to transportation. The three-side sealing is directly sealed with a zipper, which is generally used for light goods. Zipper stand-up pouches are generally used for packaging some light solids, such as candies, biscuits, jellies, etc., but four-side stand-up pouches can also be used for packaging heavy objects such as rice and cat litter.
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