The flatness of corrugated paper box

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Corrugated carton is a kind of carton made from corrugated board. But when we get the corrugated box, we often find that the corrugated box is not smooth. why is this?
The humidity in the storage environment will also affect the flatness of corrugated cartons. The higher the humidity, the greater the impact.



If the carton packaging using different spray device, it may cause a difference in the cardboard humidity.
Since there are many types of cardboard used in corrugated carton packaging, it will also affect the flatness of the carton during packaging.
So we must pay attention to the factors that may affect the flatness of the cartons.

Source:  https://www.fortuneprintings.com/news/319.html

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