Top-line packagingTel: +86 188 2689 9458

Top-line packagingEmail: info@toplinepackaging.com

Top-line packaging
Top-line packaging
Top-line packaging
Top-line packaging Home  >  NEWS  >  Industry News

Take you to analyze the wrinkle phenomenon in the zipper bag

source:Industry News release time:2022-09-16 Hits:    

  

  The zipper bag is a packaging form of plastic soft plastic packaging, which is convenient for taking food and can be used repeatedly to ensure the freshness of food. From the perspective of food packaging manufacturers, the production process requirements of bags without zippers are gradually increasing. Next, our company will take you to analyze the folds that often occur in zipper bags.

  There are two common problems in zipper packaging bags: one is the local delamination or surface folds at both ends of the zipper; the other is the surface folds at the stitching of the zipper and the bag body.

  The wrinkles at both ends of the zipper packaging bag are sometimes closely related to the choice of zipper. When purchasing zippers, we must pay attention that the melting point and shrinkage rate of the zipper should be lower than or equal to the melting point and shrinkage rate of the heat sealing layer of the composite film, so as to avoid the melting point and shrinkage rate of the composite film. Wrinkling that occurs when there is a severe mismatch with shrinkage.

  The cooling condition is also one of the important factors in the bag-making process. If the deformed zipper can be sufficiently cooled before the bag-making process is completed, the composite film that has completed the bag-making process will continue to shrink under storage conditions. possibility will be greatly reduced.

  If the heat-sealing layer and zipper in the composite film bag that has been processed into the bag are still in a molten state or viscoelastic state, then, under storage conditions, the heat-sealing layer and the zipper must undergo some degree of thermal shrinkage. Then a corresponding degree of surface wrinkling occurs. Therefore, the surface temperature of the bag making machine cooling has become one of the important factors affecting the appearance quality of the composite packaging bag.


Read recommendations:

Hot Sale BPA Free Plastic Drink Juice Fruit Liquid Packaging Stand Up Bag Spout Pouch

super pouch tool bag distributors

printed snack food bags Processing

What are the classifications of biodegradable plastic bags?

The manufacturer tells you the precautions for using composite food vacuum bags.food packaging produ

Popular recommendation

Smell Proof Stand Up Flat Bottom Pouch Coffee Bag /Coffee Beans Bag With Air Release Valve And Reusa

Custom printed food grade ziplock snack custom plastic pouch packaging food packing bag

Eco Friendly Plastic Mylar Pouch Stand Up 50ml 100ml 200ml 250ml Custom Aluminum Spout Pouch

spout pouch packaging bags distributors

clear spout pouch sales

recyclable spout pouches Production

kraft spout pouch Solution

spout pouch serves maker

new super pouch

smart spout pouch Solution

Understand the color printing technology of packaging bags

Christmas coffee bag(R1)

How to customize the packaging bag

What is the difference between fully biodegradable plastic bags and degradable plastic bags?

Development Trend of Aluminum Foil Ton Bag Industry.aluminum foil bag large

Ziplock bag manufacturers wholesale

Beverage Pouch: The Ultimate Guide

Efficient protection, easily carry: new choice of liquid packaging bag.juice bag in box company

Advantages of Juice Packaging in Boxes and Bags

What equipment is needed to produce plastic packaging bags

How to make zipper bag?

Characteristics and functions of high-temperature cooking bags

Is the food vacuum packaging bag resistant to high temperature?

The main core research content of the bag in box industry.bag in box sales

Three -layer cowhide paper bag manufacturers

What are the packaging requirements for medical sterilization bags.stand up Spout pouch manufacturer

Introduce the use process of zipper bag.stand up coffee bag with zipper

Requirements and standards for medical packaging bags

The use of bags in sterile boxes.bag in box Factory

The application of bag in box in daily life.aseptic bag in box

Share:

Email

Wechat Whatsapp

Leave Your Message