Zipper Bag FAQ

In the market of a wide variety of packaging bags, zipper bag is a very popular packaging bag. , it is very convenient to use. But zipper bag in the production process, want to produce high quality products must be standardized production, otherwise there will be big and small problems, next, Mei Xiang plastic industry and everyone to share.

Zipper bags are prone to the following problems and reasons in the production process:

1. When making bags, the sealing part between zipper and bag body is not smooth;

2. Local delamination occurs at the part where the zipper is sealed with the bag body during bag making;

3. When bag making, "dead fold" appears at the crossing part between the two ends of zipper and the side sealing of bag;

4. Local delamination occurs when the two ends of the zipper cross the side seal of the bag during bag making;

After dealing with many kinds of zipper bags with undesirable phenomena, it is found that the above problems are mainly related to the following situations:1. Its thermal shrinkage rate is greater than that of the composite film;

2, its melting point is greater than or equal to the melting point of the heat sealing film;

3. The section of the child buckle is too large;

4. The design of local heat sealing rod of bag making machine is not reasonable, and it is generally recommended to use ultrasonic heat sealing device;

5. The design of local heat sealing indenter is unreasonable (too small);

6, ultrasonic heat sealing device output power or pressure is insufficient;

7, the ink layer heat resistance is insufficient.

If you want to produce qualified zipper bags, manufacturers must pay attention to the above conditions, only in the production process to pay strict attention to control, so as to control high-quality zipper bag products.

If you are looking for qualified manufacturers to cooperate with the distressed, might as well come to Anhui Mei Xiang Plastic Co., LTD. Visit, we will have professional personnel for you to introduce, looking forward to your presence!