Why do you need to punch holes in the POF shrink film?
- Jul 31, 2018 -

In fact, this so-called hole is not as big as we think, that is, the small point that you want to pinpoint. If the hole is too large, not only will the dust and moisture in the air enter the inside of the packaged product, but it will also affect the shrinkage effect of the POF shrink film. Keeping such a small hole can prevent the internal air from being unflattened after being packaged.


Therefore, when the user purchases the POF shrink film in the future, the manufacturer can give you one or two small holes in the film.


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