BOPP film working principle
BOPP film is a commonly used packaging material. Its working principle is mainly to make polypropylene film with excellent performance through special production methods and materials, which is widely used in food packaging, printing, advertising and other fields.
The working principle of BOPP film is mainly due to its special production process and material advantages. BOPP film is made of biaxially oriented polypropylene, which has the characteristics of high strength, good transparency, puncture resistance and tear resistance. In the production process, polypropylene is first made into a sheet film roll through an extruder, and then through a continuous stretching process, the film is stretched in both horizontal and vertical directions, thereby enhancing the stretching performance and stability of the film, To form a biaxially stretched BOPP film.
In actual use, BOPP film can be applied to various packaging methods. As an ideal packaging material, BOPP film can withstand high tension and tearing force, protecting internal products from external influences. Its high transparency and flat surface make the printing effect excellent, suitable for various printing methods. At the same time, BOPP film also has good temperature resistance and water resistance, can maintain stability under different environmental conditions, and extend the shelf life of the product.
In general, as a high-quality packaging material, BOPP film works by using special materials and manufacturing processes to provide effective protection and display functions for food, cosmetics, daily necessities and other products, and is widely used and welcomed.
In actual use, BOPP film can be applied to various packaging methods. As an ideal packaging material, BOPP film can withstand high tension and tearing force, protecting internal products from external influences. Its high transparency and flat surface make the printing effect excellent, suitable for various printing methods. At the same time, BOPP film also has good temperature resistance and water resistance, can maintain stability under different environmental conditions, and extend the shelf life of the product.
In general, as a high-quality packaging material, BOPP film works by using special materials and manufacturing processes to provide effective protection and display functions for food, cosmetics, daily necessities and other products, and is widely used and welcomed.
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