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Knowledge of Self-sealing Composite Bags

Knowledge of Self-sealing Composite Bags

2022-12-17 10:27:47

Self-sealing bag composite bag is a kind of packaging bag that can be pressed and sealed repeatedly. It is also called compacted bag, bone-sticking bag, sealed bag and zipper bag. It is an environment-friendly product, tough and durable, reusable, can print advertisements, shipping marks on the surface, can be used as refrigerator fresh-keeping bags, and has a long service life. Many clothing and food brands use self-sealing bags to package their products. It can prevent things from scattering, play an inductive role, and give consumers a neat and standardized image, which is very popular with consumers. And it can be reused. Press the self-sealing bag gently and it will be sealed tightly. It is non-toxic and tasteless, with good flexibility and easy sealing, which is very convenient. The following professional flexible packaging manufacturers QINGDAO BEAUFY GROUP [let's talk about the advantages and characteristics of self-sealing bags.

1. High barrier: the self-sealing bag mainly uses the high barrier performance of different packaging materials to co-extrude the film, thus achieving the effect of high barrier to oxygen, carbon dioxide, water, smell, etc.
2. Stable performance: moisture-resistant, oil-resistant, low-temperature freezing-resistant, fresh-keeping, quality-preserving and odor-preserving, and can be used for vacuum packaging, aseptic packaging and inflatable packaging.
3. Low price: compared with glass packaging, aluminum foil packaging and other plastic packaging, the waterproof self-sealing bag should achieve the same blocking effect, and its coextrusion film has a greater advantage in price. Due to its simple process, the price of the produced film products can be reduced by 10-20% compared with dry composite films and other composite films.
4. Flexible specifications: able to choose different products at will to meet the different requirements of different self-sealing bags.
5. High strength: the coextrusion film has the feature of stretching in the process of processing, while the plastic can also improve the strength correspondingly after stretching. At the same time, nylon, polyethylene and other packaging materials can be added in the middle, so that it can have the composite strength higher than that of the general plastic packaging, and there is no phenomenon of layered peeling. It has excellent softness and excellent heat sealing performance.
6. Small volume ratio: the self-sealing bag can adopt vacuum shrink packaging, and the volume ratio is nearly 100%. Such packaging effect is incomparable to glass, iron cans and paper packaging.
1. High barrier: the self-sealing bag mainly uses the high barrier performance of different packaging materials to co-extrude the film, thus achieving the effect of high barrier to oxygen, carbon dioxide, water, smell, etc.
2. Stable performance: moisture-resistant, oil-resistant, low-temperature freezing-resistant, fresh-keeping, quality-preserving and odor-preserving, and can be used for vacuum packaging, aseptic packaging and inflatable packaging.
3. Low price: compared with glass packaging, aluminum foil packaging and other plastic packaging, the waterproof self-sealing bag should achieve the same blocking effect, and its coextrusion film has a greater advantage in price. Due to its simple process, the price of the produced film products can be reduced by 10-20% compared with dry composite films and other composite films.
4. Flexible specifications: able to choose different products at will to meet the different requirements of different self-sealing bags.
5. High strength: the coextrusion film has the feature of stretching in the process of processing, while the plastic can also improve the strength correspondingly after stretching. At the same time, nylon, polyethylene and other packaging materials can be added in the middle, so that it can have the composite strength higher than that of the general plastic packaging, and there is no phenomenon of layered peeling. It has excellent softness and excellent heat sealing performance.
6. Small volume ratio: the self-sealing bag can adopt vacuum shrink packaging, and the volume ratio is nearly 100%. Such packaging effect is incomparable to glass, iron cans and paper packaging.
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