Take you to learn more about the classification of stand-up bags

Self-standing bag classification

So far, self-supporting bags are basically divided into the following five types:

1. Ordinary self-supporting bag:

The general form of stand-up pouches adopts four-sealed form, which cannot be re-closed and reopened. Such stand-up pouches are generally used in the industrial supplies industry.

2. Stand-up pouch with nozzle:

The self-standing bag with a suction nozzle is more convenient for pouring or sucking the contents, and can be re-closed and reopened at the same time, which can be considered as a combination of the self-standing bag and the ordinary bottle mouth. This kind of self-supporting bag is generally used in daily necessities packaging, used to hold beverages, shower gel, shampoo, tomato paste, edible oil, jelly and other liquids, colloids, semi-solid products, etc.

3. Stand-up pouch with zipper:

The self-standing bag with a zipper can also be re-closed and repeatedly opened. Since the zipper form is not closed and the sealing strength is limited, this form is not suitable for packaging liquids and volatile substances. According to the different methods of edge banding, it is divided into four types of edge banding and three types of edge banding. Four edge banding refers to that the product packaging has a layer of ordinary edge banding in addition to the zipper seal at the factory. Reusing the zipper to achieve repeated sealing, this method solves the shortcomings of the zipper edge strength is not conducive to transportation. The three-edged edge is directly sealed with a zipper, which is generally used to hold lightweight products. Self-supporting bags with zippers are generally used to pack some light-weight solids, such as candy, biscuits, jelly, etc., but four-edge self-supporting bags can also be used to package heavier products such as rice and cat litter.

4. Stand-up pouch with imitation mouth shape:

The mouth-like stand-up pouch combines the convenience of a stand-up pouch with a suction nozzle and the cheapness of an ordinary stand-up pouch. That is, the function of the suction nozzle is realized by the shape of the bag body. However, self-supporting pouches of imitation mouth type cannot be reopened. Therefore, they are generally used for the packaging of single-use liquids, colloids and semi-solid products such as beverages and jellies.

5. Shaped self-supporting bag:

That is, according to the needs of packaging, the new self-supporting bags of various shapes resulting from changes on the basis of traditional bag types, such as waist design, bottom deformation design, handle design, etc. With the progress of society and the improvement of people’s aesthetic level and the intensified competition in various industries, the design and printing of stand-up pouches have become more and more colorful, and their expressions are more and more. the trend of.