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Home xin There is a kind of packaging that shrinks automatically when it is wrapped in transparent paper and blown again with a hair dryer. What’s the name of that kind of thing?

There is a kind of packaging that shrinks automatically when it is wrapped in transparent paper and blown again with a hair dryer. What’s the name of that kind of thing?

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plastic film

plastic sealing film, also known as card protecting film, is glue passing film. The material used to plastic seal paper, usually containing plastic components

before use, plastic wrapping paper of appropriate size shall be cut according to the size of the paper to be plastic wrapped. Generally, plastic wrapping paper of various standard specifications, such as A4, A6, etc., are sold on the market. In general, the area of plastic wrapping paper needs to be larger than that of plastic wrapping paper

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the paper to be plastic sealed shall be clamped between the two layers of plastic sealed paper and heated with a plastic sealing machine. After heating, the paper to be plastic sealed is sealed and wrapped by plastic sealing paper (because there is glue on the opposite surface of the two layers of plastic sealing paper, it will bond after heating), so that it can be waterproof to a certain extent and prolong the service life

extended data:

plastic sealing film needs to be matched with the plastic sealing machine for heating. Different thickness needs to refer to different plastic sealing temperature, which is related to the pressure and speed of the plastic sealing machine and the thickness of the plastic sealing film

the advantages of plastic sealing film are: moisture-proof, dust-proof, anti fading, protection of documents and photos, long-term use

reference: Baidu Encyclopedia – plastic film

you mean plastic film. You can buy it in the cultural goods area of the mall, 2.5 yuan per meter
after wrapping, blow it again with a hair dryer and it will shrink automatically to ensure that the product will not be scratched and will not affect the appearance
it may also be fresh-keeping film, which is mainly used to pack food. You can buy it in the supermarket. Not more than 10 yuan for a bundle.

the heat shrinkable film needs to be blown with an electric hair dryer

er, it’s called heat shrinkable sheet

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