The four-sided bag consists of four sealed edges, just like two pairs of films seal the bevels together. This is the source of the four-sided bag, so let's learn about the characteristics and application scope of the four-sided bag together!

Four side seal bag characteristics:

(1) The product has a good three-dimensional effect. Cubes are formed after packaging the product. Can be used many times for food preservation, recycling, packaging bag space utilization.

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

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

(4) The sample is rich, the effect of hot compress, moisture-proof, vacuum extraction is good, the oxygen permeability is low, and the heat sealing performance is high.

(5) It has strong anti-irritation and prevents external lines. Mainly to prevent static electricity and other better protection of the product from the external environment, to extend the shelf life.

The main products of four-sided bag are:

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

(2) OPP, CPE, PP, PE, PP and other blank or multi-color elevator bags and self-adhesive bags;

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

(4) PVC handbags, zipper bags, environmental protection bags and other series of design and manufacture.

Four side seal bag products scope of application:

Four-sided sealed bags are mainly used for powdered food, dried fruits and tea in developing countries such as Central Asia and South Asia. Put the food to be kept in the bag. Part of the food to exhaust air, in order to obtain health, environmental protection, extend the shelf life of the function. Widely used in snack food packaging, powder food packaging, food production enterprise packaging.

The four-sided bag product has a good appearance and three-dimensional effect. The packaging product adopts a cube, which can be used for food preservation, multiple recycling, and better use of packaging space. The unique four-sided bag design can effectively prevent bursting, new printing technology, emphasizing pattern design and trademark effect, special trademark or pattern design, anti-counterfeiting effect, etc. Can further highlight the product high-grade chic shelf effect.

Four-sided sealed bags are usually used in developing countries such as Central and South Asia, mainly for powdered food, dried fruits, tea, etc. Foods that need to be stored are put into bags, and some foods need to be pumped. It has the functions of hygiene, environmental protection, and extended shelf life. It is widely used in snack food packaging, powdered food packaging, food production enterprise packaging, etc.

Generally speaking, there is a big difference between a four-sided bag and a three-sided bag, but it is easy to understand the source of this product name literally. Also in the application, there is no difference between the two products. Just like the three-sided seal bag, it can also be applied to food bags and cosmetic packaging, and there is the same place in this regard.

The above is the four-sided bag features and scope of application, if you need to know more, you can contact us at any time!