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PP white film drawing
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PP plastic granules
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PP recycled material
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PP white film drawing
PP white film drawing typically refers to the process of stretching or drawing polypropylene (PP) white film. In this process, the PP material is softened through heating and then stretched in a specific mold or mechanical device to alter its physical properties, such as improving the film's transparency, mechanical strength, or modifying its surface texture.
After being drawn, PP film generally exhibits excellent heat resistance, chemical resistance, electrical insulation, and good mechanical properties. White PP film, due to its pure appearance, is widely used in food packaging, medical device packaging, capacitor insulation, and other fields.
During the film drawing process, the control of temperature and drawing speed is crucial for ensuring film quality. Improper drawing conditions can lead to film breakage, uneven thickness, or degraded performance. Therefore, producing high-quality PP white film requires precise control and adjustment of raw materials, processes, and equipment.
In addition, the PP white film drawing process can be combined with other techniques, such as surface coating and printing, to meet more diverse application needs.
Overall, PP white film drawing is a technique that modifies the physical properties of PP white film through the stretching process, aiming to enhance the film's performance and broaden its range of applications.
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