According to the different thickness of the pvc zipper bag and the different uses, PVC bags, cosmetic packaging bags, stationery packaging bags, craft jewelry packaging bags, gift bags and other product packaging. Many high-end product manufacturers generally choose PVC bags for packaging, beautifully packaged products, and upgrade product grades, but their prices are more expensive than OPP bags/PE bags, etc.

The pvc zipper bag is a very vast shape in the flexible plastic packaging category. It has the advantages of convenient access and continuous application. From the perspective of the packaging manufacturer, it is compared with the production process regulations of plastic bags without zippers. It's still very high. Today, let's take a look at how to avoid folds in pvc zipper bags?

There are two common problems in pvc zipper bags: one is the partial layer or surface folds on both sides of the zipper; the other is the surface folds at the seal between the zipper and the bag body.

Wrinkles on both sides of the pvc zipper bag are sometimes closely related to the selection of the zipper. When buying a zipper, you must pay attention to its melting point and shrinkage rate that are less than or equivalent to the melting point and shrinkage rate of the composite film heat seal layer to prevent The wrinkle condition occurs when the melting point and the shrinkage rate are seriously mismatched.

The use and function of pvc zipper bag

In daily life, PVC zipper bags are widely used in various fields. So what are the uses of PVC zipper bags? Next, PVC zipper bag manufacturers will give a brief introduction.

Some small PVC zipper bags are very good-looking. Although they are not large, they are not small in size. They can hold some of your own daily necessities, gifts, cosmetics, stationery, etc., which is very convenient.

Some medium-sized PVC zipper bags can be used as document bags, and can be used for office supplies, such as documents, U disks, mobile phones, etc.

Some handbag-style PVC zipper bags can be carried or placed directly and kept sealed, which is novel and fashionable.

PVC zipper bags are beautiful, fashionable and practical, and can also be used as promotional items or gifts.

The above is a brief introduction about the use and function of PVC zipper bags. All in all, there are many uses for PVC zipper bags.