Characteristics and application range of four-side sealing bags

A four-side seal bag consists of four sealing edges, just like two pairs of films sealing the bevel together. This is the origin of four-side sealing bags, so let’s learn about the characteristics and application range of four-side sealing bags!

Features of four-side sealing bags:

(1) The product has good three-dimensional effect. After packaging the product, it is formed into cubes. It can be used many times for food preservation, recycling, and space utilization in packaging bags.

(2) A good four-sided envelope design can well prevent breakage, new printing processes, patterns and trademark effects, and designed trademarks or patterns, thereby producing an anti-counterfeiting effect.

(3) Emphasize the good shelf effect of the product.

(4) Rich samples, good hot compress, moisture-proof, vacuum extraction effects, low oxygen permeability, and high heat sealing performance.

(5) It has strong anti-irritation and prevents external rays. Mainly to prevent static electricity and other better protection products from damage by the external environment and extend the shelf life.

The main products of four-side sealing bags are:

(1) OPP, CPP, pet, nylon, electroplated aluminum and other composite bags;

(2) Blank or multi-color elevator bags and self-adhesive bags such as OPP, CPE, PP, PE, PP;

(3) Express bags and flat pocket accordion bags in PE, PP, Po, OPP, CPP and other sizes;

(4) Design and manufacture of PVC handbags, zipper bags, environmentally friendly bags and other series.

Scope of application of four-side sealing bag products:

Four-side sealing bags are mainly used for powdered foods, dried fruits, and tea in developing countries such as Central Asia and South Asia. Put the food you want to keep in the bag. Some foods need to be vented to achieve the functions of hygiene, environmental protection, and extended shelf life. It is widely used in snack food packaging, powder food packaging, food production enterprise packaging, etc.

The four-side sealing bag product has a good three-dimensional appearance, and the packaging product adopts a cube shape, which can be used for food preservation, multiple recycling, and better utilization of packaging space. The unique four-side sealing bag design can effectively prevent bursting, new printing technology, emphasis on pattern design and trademark effect, special trademark or pattern design, anti-counterfeiting effect, etc. It can further highlight the high-end and chic shelf effect of the product.

Four-side sealing bags are usually used in developing countries such as Central and South Asia for powdered foods, dried fruits, tea, etc. Foods that need to be stored are put into bags, and some foods need to be degassed. They are hygienic, environmentally friendly, and extend the shelf life. They are widely used. Suitable for snack food packaging, powdered food packaging, food production enterprise packaging, etc.

Generally speaking, there is a big difference between four-side sealing bags and three-side sealing bags, but it is easy to understand the origin of this product name literally. Also within the application, there are no differences between the two products. Just like three-side sealing bags, they can also be applied to food bags and cosmetic packaging, and they are similar in this regard.

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