Generally speaking, the shaped bag also belongs to the field of plastic flexible packaging, all flexible packaging materials and structures are simply applicable, so its basic planning guidelines are still the same as the general flexible packaging bags. That is to say, in the planning of the first to think about the relevant legal requirements, the functional requirements of the bag and quality assurance system. With these later, you will be able to select the accurate packaging materials for the goods and the basic planning program.

In addition to the above fundamental elements, in the planning of shaped bags generally also need to pay attention to the following points.

1. The change of the amount of content

After the general bag is changed into a shaped bag, its capacity will certainly have a certain change, therefore, the need for the size of the bag from the beginning of the planning.

2. Changes in the shape of the bag margins

Because it is a flexible packaging bag, the outer edge of the bag should not be selected sharp corners, to prevent stacking puncture other packages, or perhaps hurt the user.

3. The impact of encapsulation methods

If the shaped bag selection of active sealing equipment for sealing, in order to facilitate the smooth progress of production, on the opening direction of the shaped bag, sealing position, etc. There are certain requirements, which also need to think about the point.

After summarizing the above elements, coupled with sophisticated graphic planning, a successful shaped flexible packaging bag was born.

According to the different methods, shaped bags can be divided into the following categories.

1. Add mouth shaped stand-up pouches

The effect of the mouth is conducive to the contents of the dump, and after the mouth of the goods can be sealed from the beginning, which means that it can be repeated many times to open and seal the use. This shaped bag is suitable for liquid beverages, shower gel, shampoo, ketchup, cooking oil and other liquids, or other liquid products that need to be opened and sealed many times.

2. Zipper shaped stand-up pouches

The effect of adding zipper is also to facilitate the use of repeated opening and sealing. But the difference is that the repeated sealing method is zipper, so this type of planning is not suitable for encapsulation of liquids, but for some lightweight small items, such as sugar cubes, dried fruits, chocolate, cookies, jellies, tea and so on.

3. Imitation mouth shaped stand-up pouches

This bag is characterized by the packaging planning is not another mouth, but the use of shaped bag manufacturing characteristics to create a similar mouth bag type, easy to access. This plan is suitable for liquid replacement, because once it is opened can not be sealed again, the applicable commodities and plus mouth shaped stand-up pouches applicable commodities are basically common.