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Can PVC protective film be used for food packaging?

Views:4     Author:Site Editor     Publish Time: 2018-10-26      Origin:Site

PVC, PC, PET, how to look at how the material is almost the same, almost captured most of the protective film in life, many people can not understand the difference between these concepts, do not know what material protective film can be used, which materials The protective film cannot be used. The most common kind of protective film in life must be


PVC, PC, PET, how to look at how the material is almost the same, almost captured most of the protective film in life, many people can not understand the difference between these concepts, do not know what material protective film can be used, which materials The protective film cannot be used. The most common kind of protective film in life must be used every day, that is, food wrap. So, do you know what its material is? Can pvc protective film be used for food packaging?


First, find out what a pvc protective film is. The PVC protective film is distinguished by its film substrate. Because it is a PVC film, it is called a PVC protective film. The relatively high transmittance of PVC is a non-crystalline chemical plastic, so it can also be made transparent. The main purpose is to put a protective film on the article so that the packaged article does not scratch the surface during transportation and processing. For example, when the stainless steel plate is stamped, the protective film is not left behind. From this point of view, it is difficult to say whether the pvc protective film can be used for food packaging.


According to the research department, the plastic wrap that is currently on the market can be divided into polyethylene (PE) film, polyvinyl chloride (PVC) film and polyvinylidene chloride (PVDC) cling film. PVC film has good transparency, but contains more plasticizers. It can't pack foods containing grease. It can't be used in microwave ovens. Otherwise, it may cause cancer and other diseases. PE wrap film has poor transparency, but it can pack foods containing oil. It can be used in microwave ovens; PVDC cling film also has a scent-keeping function on the basis of PE. At present, PE wrap is mainly sold in major supermarkets in China, and it is relatively safe to use. However, in many agricultural wholesale markets, PVC cling film accounts for a large share. Although there are a small number of PE cling film sales, most of them have no logo. Those who have experience in buying food at the vegetable market will know that the bags given by small vendors have a pungent taste when they buy food. Whether it is the current clear regulations, or life experience tells us that pvc protective film is not suitable for food packaging, if you buy pvc protective film in the vegetable market, you must remember to change to meet the national regulations after returning home. Food cling film.


For a long period of time, the packaging used for food is a protective film made of pvc, which greatly affects people's health, and also imposes a great burden on the environment. However, as people's awareness increases, they will know that the use of cling film of different materials is not the same.


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