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How is CPE casting film produced?
News Source :  |  Release Time: 2024-05-11

How is CPE casting film produced? With the rapid development of solar energy, wind energy, seawater desalination, electric power, optics and food, pharmaceutical packaging and other industries, the market has become more and more demanding for high-end film products, such as high barrier multilayer composite films, microlamination in the film and nanoscale microlamination. In line with this, the current domestic and foreign bidirectional stretch, casting film products are developing towards functional, specialized, high performance, high cost performance, composite direction. And these solar photovoltaic power generation supporting film, lithium battery diaphragm, high transparent film, PVB glass sandwich film and other optical film and microfiltration, ultrafiltration membrane, high barrier multi-layer composite film and other new products, rely on advanced function, high yield and stable performance, energy saving and low consumption of plastic machinery to produce, but these production equipment is still most of the domestic equipment enterprises can not produce, It has become one of the bottlenecks restricting the adjustment of product structure and the development of high-end products. CPE casting film is a plastic film production method, it accounts for more than 30% of the world's total film sales, after several years of development, China's CPE casting film production has increased significantly, and the international advanced level is almost the same. In order to improve film performance, reduce costs, and meet the requirements of users for multiple uses and high performance, multilayer composite films have developed rapidly, especially in developed countries with relatively high living standards, emphasis on environmental protection, and requirements for extending food shelf life and quality. The development of CPE casting film production scale and extrusion equipment has made the use of raw materials and the range of options increasingly increasing, which makes the special polypropylene materials for casting more refined, specialized and higher performance direction. A variety of special materials with a finer division of labor continue to emerge, and each material plays its own role at different levels, giving the film new properties to adapt to different market needs. At the same time, for the special requirements of users and specialized production of high-performance raw materials