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

1. What is a self-standing zipper bag?

Self-standing zipper bags are generally composite flexible 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 multiple packaging advantages, with low cost and beautiful printing. This product has the characteristics of anti-static, anti-ultraviolet, moisture-proof, oxygen-blocking and shade-proof, cold-resistant, oil-resistant, high-temperature resistant, fresh-keeping, and strong oxygen-blocking properties.

Self-standing zipper bags are widely used in industrial packaging, daily chemical packaging, food packaging, medicine, health, electronics, aerospace, technology, military industry and other fields.

2. Types of self-standing zipper bags

Ziplock bags refer to self-standing zipper bags that do not use any tools. There are ziplock ziplock bags, self-adhesive ziplock bags, etc.

Ziplock bags (also known as ziplock bags, consisting of arbitrary bags, sealed bags, zipper bags, bone bags, English: zipper bags, foldable bags, zipper seal bags, resealable bags), a plastic bag that can The bag is resealed by blow molding polyethylene (LDPE) and high-pressure linear polyethylene (LLDPE) and pressing it through a heat press. Commonly used materials include PE, EVA, PET, composite bags, etc.

There are many types of self-adhesive sealing bags. Use a single piece of film to be folded crosswise, heat-sealed on both sides, and then glued on one side of the bag. Commonly used materials include OPP self-adhesive, express bags (multi-layer co-extruded film), PP, PVC, etc.

What are the advantages of self-standing zipper bags PE zipper bags:

(1) Resistant to chemical corrosion;

(2) The self-standing zipper bag is shiny and partially transparent or translucent;

(3) Most are good insulators;

(4) The self-standing zipper bag is light and strong;

(5) Easy processing, mass production, low price;

(6) Self-standing zipper bags have a wide range of uses, various effects, are easy to color, and are resistant to local high temperatures.

As we all know, food packaging bags are consumables in the market. Now many products must be packaged in packaging bags, because the birth of food packaging bags has greatly reduced the troubles of many companies. However, when it comes to convenience, some problems arise, that is, food manufacturers should pay more attention to purchasing packaging bags. I don’t know whether they are consistent with their products. In addition, many packaging bags do not meet the standards.

1. First of all, when making food packaging bags, we should know whether the base film of the main raw material is a plastic film? Is it a composite of our products?

2. Customized food packaging is very novel, isn’t it? Are production dates and nutrition facts listed on your own products?

3. For nitrogen-filled packaging roll film and kraft paper self-standing packaging bags, merchants must pay attention when choosing a cooperative packaging bag manufacturer. They must find a company with good quality and good service to cooperate to avoid many problems.

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