With the rapid development of China's dairy market for dairy processing , packaging requirements are also correspondingly increased. Currently on our market, "bright ", " Queen ", " Three" three largest selling brand , Shanghai "bright " as the current China's largest dairy supplier , but its sales accounted for only 9% of the market, about 1.5 billion, clamshell packaging which is plastic package the main reason for the packaging and transport of fresh milk storage equipment can not keep up . Market eager to packaging design effectively extend the shelf life and keep the flavor , nutritional packaging methods , using aseptic packaging plastic composite film is undoubtedly an ideal choice. Aseptically sterilized packaging refers to food plastic packaging ( beverage , dairy ) packaged in a sterile environment , enclosed in the sterilized container , without the addition of preservatives to , under refrigeration conditions without longer shelf life. You can also simply say , after aseptic packaging is the first sterile packaging , the packaging of non- plastic case aseptic packaging is the first or only sterile packaging is not sterilized. The main advantage of aseptic packaging under sterile conditions to ensure the retention of food to maximize the Central Plains and some nutrients and flavor, reduce losses. Because it is more convenient to use ultra high temperature sterilization methods to disinfect food packaging before , and other packaging methods is quite difficult.Since aseptic processing and packaging of the product can , and has a long shelf life without refrigeration , which helps to lower the cost and quality of the liquid food transported to distant places , not only manufacturers of the food production process more rationalizing also shorten the stored procedure retailers to provide consumers with more convenience and more food . Therefore, in recent years, sterile plastic bags and plastic bottles sterile cup developed very rapidly , this aseptic bags used mainly PET and PE aluminized composite , and aseptic packaging using multi-layer co-extruded cup plastic box sheet PP / PE / EVA / PVDC / PS. Currently, only 10% of the aseptic packaging of dairy products , while the developed countries accounting for 65 %. Countries have the aseptic packaging of liquid milk as the first development project , and spend 2 billion yuan plastic trays to support the development of liquid milk industry . Thus, the aseptic packaging of liquid milk has great development space , the market outlook is bright.

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