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.

1. Physical protection: the items stored in the self-supporting zipper bag should avoid extrusion, shock, vibration, temperature difference and other phenomena.

2. Shell protection: The shell can isolate items from oxygen, water vapor, stains, etc. Leakproof is also a necessary factor in packaging design. Some packages include desiccants or deoxidizers to extend shelf life. Vacuum packaging or evacuating air from the packaging bag is also the main packaging method. Maintaining cleanliness, freshness and safety during the shelf life is the main function of the packaging bag.

3. Packed or put in the same self-service zipper bag: Inserting small items of the same type into one package is a good way to save volume. Powder and granular objects require packaging.

4. Information: Self-service zipper bags and labels tell people how to use, transport, recycle or dispose of packages or items.

5. Marketing: Marketing often uses box labels to encourage potential buyers to purchase goods. For decades, packaging design has become a critical and ever-changing phenomenon. Marketing and graphic design highlights are applied to the outer packaging box and sales presentation.

6. Safety: Self-supporting zipper bags play an important role in reducing transportation safety risks. Bags can also avoid being classified as other goods. Some are covered with anti-counterfeiting signs to protect the interests of enterprises from loss. Self-supporting zipper bag can have laser marking, special color, SMS authentication and other labels. In addition, in order to prevent theft, retailers attach electronic monitoring labels to packaging bags and wait for consumers to take them away at the store door to demagnetize.

7. Convenience: The self-supporting zipper bag can be easily added, loaded, unloaded, stacked, displayed, sold, opened, repackaged, used and reused.

8. Local control: A single package helps to accurately control the global situation. You can also easily calculate the sales of self-service zipper bags.

Self-standing suction nozzle bag making process requirements:

1. Heat sealing temperature

The factors to be considered when setting the heat sealing temperature are: first, the characteristics of the heat sealing material; second, the thickness of the film; third, the number of heat sealing and hot pressing and the size of the heat sealing area. Generally speaking, when the same part is hot pressed multiple times, the heat sealing temperature can be appropriately reduced.

2. Heat sealing pressure

Independent zipper bag manufacturer: Appropriate pressure must be applied during the heat sealing process to promote the adhesion of the heat cover material. However, if the pressure is too high, the molten material will be squeezed out, which will not only affect the flatness, failure analysis and troubleshooting of the bag, but also affect the heat sealing effect of the bag and reduce the heat sealing strength.

3. Heat sealing time

Independent zipper bag manufacturer: The heat sealing time is not only related to the heat sealing temperature and pressure, but also related to the performance of the heat sealing material, heating method and other factors. The specific operation should be adjusted according to different equipment and materials during actual debugging.