The automatic stand up packaging bags are kind of packaging bag that can stand on any object whether it is opened or not. It can greatly improve the grade of the product. It has good visual effects, is easy to use, has good insurance and sealing performance, can reduce the oxygen permeability and extend the product life. shelf life. What are the specific classifications and characteristics of automatic packaging bags?
General stand up packaging bags
Moreover, the general form of stand up packaging bags adopts four-edge sealing form and cannot be re-closed or opened repeatedly. This kind of self-standing packaging bag is generally used in the industrial supplies industry.
Stand up bag with suction nozzle
Stand-up bags with suction nozzles are more convenient for pouring or absorbing contents and can be re-closed and opened again. It can be thought of as a combination of a stand-up bag and an ordinary bottle mouth. This kind of stand-up bag is generally used for packaging daily necessities, such as CiCi and so on. Used to hold liquid, colloid and semi-solid products such as drinks, shower gel, shampoo, ketchup, edible oil, jelly, etc.
Zippered stand up bag
Zippered stand-up bags can also be re-closed and re-opened. Since the zipper is not closed and has limited closing strength, it is not suitable for packaging liquids and volatile substances. According to the different edge sealing methods, it can be divided into four edge sealing and three edge sealing.
Four edge sealing means that when the product leaves the factory, in addition to the zipper seal, there is also a layer of ordinary edge sealing. When using it, you need to tear off the ordinary edge sealing first, and then repeat the edge sealing with the zipper. This method solves the shortcomings of low zipper edge sealing strength and unfavorable transportation.
The three edges are directly sealed with zipper edges, which are generally used to hold lightweight products. Zippered stand-up bags are generally used to package candy.
Imitation mouth shaped stand up packaging bags
The mouth ike stand up packaging bags combines the convenience of the stand-up bag with a suction nozzle and the cheapness of the ordinary stand-up bag. In other words, the function of the suction nozzle is realized through the shape of the bag itself. However, mouth-shaped stand-up bags cannot be re-sealed, so they are generally used for packaging liquids, colloids, and semi-solid products, such as beverages, jelly, etc.
Special shaped stand up bag
That is to say, according to the needs of packaging, new stand up packaging bags of various shapes, such as waist design, bottom deformation design, handle design, etc. , are all changes based on the traditional bag type. It is the main direction of the value-added development of stand-up bags at present.
With the progress of society, the improvement of people’s aesthetic level, and the intensification of competition in various industries, the design and printing of stand-up bags are becoming more and more colorful, and their forms of expression are also increasing. The development of special-shaped stand-up bags has gradually replaced the traditional stand-up bags. bag status.
