How to design a self-supporting zipper bag to meet the requirements of use?

The development of the food industry has brought about the vigorous development of the packaging industry. As a kind of food, food has been loved by the public. It is very important for you to understand the characteristics of the self-supporting zipper bags used in food packaging and some special requirements of the plastic bags currently used by EVA. Since food is hard, the thickness of the self-supporting zipper bag and the strength and impact resistance of the material will affect the use of the packaging. In addition, some food free-standing zipper bags are filled with inert gas, so the sealing performance is also very important. The following are the test methods for the tightness and impact resistance of self-supporting zipper bags:

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Types and materials of self-supporting zipper bags

Self-supporting zipper bags are generally composite soft packaging, composed of polypropylene OPP, polyester PET, nylon, matte film, aluminum foil, cast polypropylene, polyethylene, kraft paper and even woven bags. It is a packaging product that integrates a variety of packaging advantages, with low cost and exquisite printing. The product has the characteristics of anti-static, anti-ultraviolet, moisture-proof, oxygen shading, cold resistance, oil resistance, high temperature resistance, preservation, and strong oxygen barrier.

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What is a free-standing zipper bag and how to classify it?

1. What is a self-supporting zipper bag Self-supporting zipper bags are generally composite soft packaging, composed of polypropylene OPP, polyester PET, nylon, matte film, aluminum foil, cast polypropylene, polyethylene, kraft paper and even woven bags. It is a packaging product that integrates a variety of packaging advantages, with low cost and exquisite printing. The product has the characteristics of anti-static, anti-ultraviolet, moisture-proof, oxygen shading, cold resistance, oil resistance, high temperature resistance, preservation, and strong oxygen barrier.

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What are the advantages of a free-standing zipper bag?

Self-supporting zipper bag is a kind of plastic as raw material to produce a variety of daily necessities packaging bags, it is widely used in daily life and industrial production, but its convenience has brought long-term harm. Commonly used self-supporting zipper bags are made of polyethylene film and can hold food. Let's take a look at the advantages of self-operated zipper bags.

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Back seal bag manufacturer: introduce you to some information of back seal bag

The back seal bag is also called the middle seal bag. In simple terms, it is the packaging bag with the sealing edge on the back of the bag body. The application range of back seal bag is very wide, the general candy, bagged instant noodles, bagged dairy products are used in this form of packaging. Compared with other packaging forms, the back seal bag has no sealing edges on both sides of the bag body, which ensures that the pattern on the front of the package is complete and more beautiful. At the same time, in the layout design, the bag pattern can be designed as a whole, which can maintain the continuity of the picture. Because the seal is on the back, both sides of the bag can withstand greater pressure, reducing the possibility of package breakage. And the same size bags are used in the form of back cover

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The big role of the back seal bag

A small back seal bag in our lives play a big role, and can bring much convenience to our lives? Let's take a look at the great role of the back seal bag, then the following together to understand the big role of the back seal bag!

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Production process of back seal bag

The back seal bag commonly used in the processing of electronic equipment, if you need to carry the main board of the mobile phone, you must put the main board into the self-sealing bag, and then seal the sealing cap of the back seal bag. The main board is not affected by dust and moisture in the self-sealing bag. Then, let's learn about the production process of the lower back sealing bag!

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The production method of back seal bag

The back seal bag is a packaging bag for packaging various supplies, which is widely used in daily life and industrial production. With the development of industry, the commodity of the back seal bag itself is becoming more and more prominent. It has become a special product that is no longer affixed to merchandise. All products are indispensable and are widely used products, but the packaging items are different when used, and the shock absorption capacity of the existing back seal bag is reduced. For items that ensure integrity and fragile, then learn about the production method of the back seal bag together below!

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What are the uses of the back seal bag

When we receive an express or letter in our daily life, we all feel lucky to arrive. We are also very grateful to the courier, courier companies, logistics companies and other people behind the people to create our convenient life and pay the hard work and sweat. Every day there are a lot of goods running in large quantities in the city, there is a heavy busy logistics world. Due to the application of back seal bags, waterproof bags, bubble bags and other logistics packaging, a lot of finishing. Their application makes the logistics work more convenient, improves the work efficiency and reduces the trouble in the work, so let's learn what the use of the back seal bag is!

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The difference between a three-sided bag and a back seal bag

Plastic bags, three-sided envelopes, 100-sided envelopes, four-sided envelopes and other styles. Three-sided envelopes are the three sides of the packaging bag. Things are sealed from the top. Four-sided envelopes are perfect products after passing through the production line. Let's learn the difference between three-sided sealed bags and back sealed bags!

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