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What are the three modes of film rolling mechanism?

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What are the three modes of film rolling mechanism

, PET /PE composite roll film:

the material of OPET /LDPE composite bag is polyethylene terephthalate and high-pressure polyethylene, which is conventionally abbreviated as PET /PE composite bag. It has the characteristics of high transparency and good oxygen resistance, so it is especially suitable for inflatable packaging of foods such as bread and cake. Moreover, because the composite film has good heat and cold resistance, it can also be used as the packaging bag of quick-frozen food and cooked food

II. BOPP /CPP composite roll film:

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BOPP /CPP composite film is made of biaxially stretched polypropylene and non stretched polypropylene, which is commonly referred to as OPP /CPP composite film bag. Among all composite films, this composite film has high transparency. Compared with single film plastic bag, under the same thickness, the cost is higher than that of single film plastic bag, but the hand feel is better than that of single film plastic bag; Because of its good moisture resistance, the film is mainly used in food. It is mainly used to package some dry food and fast food, such as biscuits, instant noodles and so on. The disadvantage is that the high-temperature and cold resistance performance is poor, and it is not suitable to package refrigerated and high-temperature sterilized food

III. OPP /PE composite roll film:

BOPP /LDPE composite bag is composed of biaxially oriented polypropylene and high-pressure polyethylene composite film bag, which is generally abbreviated as OPP /PE composite bag. This composite bag has very good air and moisture resistance, so it is especially suitable for packaging products such as green tea. Its oil resistance effect is also good, so cooked food and some oil products are also packaged with this composite bag

the above are the three common automatic packaging composite roll films summarized by Xiaobian. If you need to add anything else, please leave a message in the comment area below. If you like this article, you are welcome to praise it. Xiaobian will continue to offer you more wonderful knowledge about packaging materials.

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