In the daily production operation of automatic packaging composite film, we sometimes do not know its material. Here, yltpacking summarizes three common automatic packaging roll films, hoping to help you in the future procurement process. Three common automatic packaging roll films: 1. PET/PE composite film: OPET/LDPE composite bags are made of polyethylene terephthalate and high-pressure polyethylene. Abbreviated as PET/PE composite bag. It has high transparency and good oxygen barrier properties, so it is especially suitable for bread and cakes. Inflatable packaging for food. In addition, since the composite film is also excellent in heat resistance and cold resistance, it can also be used as a packaging material for quick-frozen food and cooked food. Second, BOPP/CPP composite film: The material of BOPP/CPP composite film is biaxially stretched polypropylene and unstretched polypropylene. It is usually called OPP/CPP composite film bag. In all composite films, the composite film is relatively transparent. Compared with single-film plastic bags, the cost is higher than single-film plastic bags, but the feel is better than single-film plastic bags. Since the film has good moisture resistance, it is mainly used in food packaging. Dry food and fast food, such as biscuits, instant noodles, etc. The disadvantage is that it is resistant to high temperature and cold, and it is not suitable for packaging refrigerated and high-temperature sterilization foods. 3. OPP/PE composite film: BOPP/LDPE composite bag is composed of biaxially oriented polypropylene and high-pressure polyethylene composite film bag, usually abbreviated as OPP/PE composite bag. This kind of composite bag has good gas barrier and moisture resistance, so it is especially suitable for products such as green tea. In terms of packaging, its oil resistance is also very good, so cooked food and some oil products are also packed in this composite bag. The above is the whole content of “Analysis of Three Common Automatic Packaging Films”.
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