Tel: +86 188 2689 9458
source:other news release time:2023-04-13 Hits:
The main feature of the empty packaging bag is vacuum packaging. The sealing effect is good. It is not easy to break the bag leakage. The principle of air pressure is used for exhaust and oxygen removal to play a good role The best in the packaging bag. So what kind of bag types are vacuum packaging?
One and three -sided sealing bag type: The three -sided vacuum packaging bag type is common in daily life. For example, the meat food vacuum packaging bag produced by our company, the bag type is all three -sided vacuum packaging bags. However, some of the Gar zipper. After adding zipper, it can also be called a self -proclaimed zipper vacuum packaging bag.
Second, the self -standing zipper bag type: There is a tray at the bottom of the characteristics of this packaging bag, and the head has bone bones, which can be reused for easy preservation. The bag is beautiful.
3. Zhongfengfeng piano bag type: There are no edges on both sides of this bag type, so the pattern on the front of the packaging is complete, which is more three -dimensional and beautiful.
Fourth, alien bag type: Alien vacuum packaging bag refers to unconventional aluminum foil bags, which can be customized according to customer requirements.
Appearance visual inspection includes projects such as the flatness and transparency of food composite bags. It is mainly used to detect whether there are obvious abrasions and pinhole in the performance of the composite bag, and whether there is pollution at the seal. The appearance check method is as follows:
① The inspection of "Bags". Place the center of the food composite bag and sway gently at the 40W solar light. Through the reflection light on the surface of the composite bag, you can clearly find out whether the surface of the composite bag is scratched or traces. Most of the drawing phenomenon is caused by the guidance roller of the bag making machine, so it is necessary to ensure that the guide roller is clean. In addition, no rotation of the guide roller will also cause the composite bag to cause drawing failure.
② Check the flatness of the composite bag. Put a composite bag on a flat desktop. If the surface of the composite bag is curved and tilted out or arched inward, it means that the flatness of the composite bag is poor. On the contrary, this shows that the flatness is good. Some: The temperature of the bag is high to destroy the stress of the inner layer of the composite bag; the structure composition is unreasonable; the material itself is uneven.
③ Examination of transparency. Some products are particularly important because there is no pattern in large areas, and the transparency is particularly important. The way to check the transparency is to draw a finished bag and observe through indoor indoor light sources. "The phenomenon shows that the transparency is poor, and the transparency is good.
Read recommendations:
China Factory Baby Complementary Food Spout Pouch Baby Food Fruit Puree Bag With Spout Packaging Bag
Snack food bag bulk manufacture.Detailed method for customizing food packaging bags
brown kraft paper pouch company.How to better use food packaging bags
Popular recommendation
Super pouch
Spout pouch
Bag-In-Box
stand up spout pouch Manufacturing
spout pouch serves wholesale
bag in box Processing
Flexible packaging film roll manufacturers
kraft spout pouch Processing
pouch with handle Factory
spout pouch serves supplier
What is the quality of degradable plastic bags?
Advantages of coffee bags
Super Pouches: Revolutionizing Flexible Packaging for Top-Line Packaging Solutions
How to test the packaging bag.
Bag in Box: Provide sustainable packaging for your beverages.bag in box for wine
Introduction to the functions, features and usage of spout bags
ordering flexible packaging film roll price.Where can I find a manufacturer of high-quality food pac
With the widespread use of bags in boxes, their quality has been continuously recognized.bag in box
Aluminum Foil Bag: The Ultimate Buying Guide
The production process and process of vacuum packaging bags
Tips for using plastic packaging bags.coffee packaging plastic bag distributors
The production process of plastic vest bag.bag in box packaging Manufacturing
composite packaging bag
Advantages of biodegradable plastic bags
Since you choose the nylon vacuum packaging bag, you should know its advantages.vacuum sealer bags f
Explanation on Flexible Packaging.bags in a box
How long can you store food safely?
Do you know the packaging method of the bags in the box.bag in box packaging
The use of bags in sterile boxes.bag in box Factory
Significant price increase in raw materials for octagonal sealed packaging bags