What Are The Factors Affecting The Shrinkage Effect Of POF Shrink Film?
- Jul 31, 2018 -

First of all, the most important thing is the quality of the film. The raw materials of the new materials and the raw materials added with the recycled materials have great differences in transparency and shrinkage, and the cost of the POF shrink film added. It is relatively low and the price is very low, so it is easy to attract customers. If the customer's effect on the packaging is strict, the quality of the film should be taken.


Secondly, the film is adjusted during the shrinking process to adjust the temperature of the shrinking furnace. The shrinkage temperature range of POF is in the range of 130-180 degrees, but the specific temperature is determined according to the shrinking furnace, which requires the user to debug several times to find the most suitable temperature. If the temperature is too high, the packaged film is easily cracked. If the temperature is low, the shrinkage of the POF shrink film is prone to unevenness.


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