Classification and production process of pvc plastic zipper bags

PVC zipper bag material is flexible, moisture-proof and waterproof, suitable for study, life and home travel. Zipper bag is a kind of packaging supplies commonly used in daily life. It is common for study, office, travel, and home. Do you know the classification and production process of pvc plastic zipper bags?

Classification of pvc zipper bags

1. Ordinary zipper bag

Ordinary zipper bags are generally larger in shape. The materials are made of woven bags, transparent PE or OPP plastic films. The zippers are ordinary plastic zippers. They are generally used to pack relatively large commodities, such as outer packaging of quilts, large simple luggage bags, etc. .

2. File zipper bag

The document zipper bag can hold more documents, pens and small items. The special cold-resistant PVC double-layer material is selected, and the material has good flexibility. Moisture-proof and waterproof, suitable for study, life and home travel.

3. Invisible zipper bag

Invisible zipper bags are generally composite flexible packaging, which is composed of polypropylene OPP, polyester PET, nylon, matte film, aluminum foil, cast polypropylene, polyethylene, kraft paper and even woven bags (usually 2-4 layers) ).

Invisible zipper bags are widely used, and can be used in various fields such as industrial packaging, daily chemical packaging, food packaging, medicine, hygiene, electronics, aerospace, science and technology, military industry, etc.;

4. Aluminum-plastic composite bag

It is a packaging product that integrates various packaging advantages, with low cost and exquisite printing; the product has the characteristics of anti-static, anti-ultraviolet, moisture-proof, oxygen-proof and shading, cold-resistant, oil-resistant, high-temperature resistance, fresh-keeping, oxygen-proof and easy to seal.

Featured products include kraft paper zipper bags, paper-aluminum composite zipper bags, aluminum-plastic self-supporting zipper bags, static shielding zipper bags, grid static zipper bags, anti-vibration static zipper bags, static aluminized zipper bags and various daily chemical zipper bags, etc.

Manufacturing process of pvc zipper bag

1. Set the pattern and make the zipper copper mold.

2. Cut the material, calculate the size, and cut the material into a zipper bag style. If you want to silk-screen here, set the material in place and silk-print the position.

3. String the zipper. The zipper is bought with a zipper puller. Two layers are needed here, and then the zipper puller is stringed.

4. Press into a finished product. This step is to press the zipper puller and slide and PVC material into a plastic bag. This step needs to control the pressure of the voltage machine and the distance of the cutting edge. Make the zipper bag without burrs and smooth. During the pressing process of the zipper bag, pay attention to the width of the side pressing, not too deep, otherwise there will be burrs.

Zipper bag is a kind of bag that is well-loved, popular and widely used in the world today. If you plan to purchase a lot of lightweight nylon zippers, custom zippers, matt frosted pvc slider zipper bag, invisible zipper, etc., please freely contact us.