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Why is Overpressure Important in Retort Packaging?

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Author : WOGOAL
Update time : 2023-07-24 09:37:36

Why is Overpressure Important in Retort Packaging?


If overpressure isn’t introduced to the retort package during cooling, pressure can drop. This can lead to a vacuum in the retort, which can be very problematic. If a vacuum is created, the pressure between the outside environment and what’s present in the chamber can become too significant and the end result is often a damaged product or package. It’s a big part of the reason why overpressure must be very carefully controlled during the initial cooling stage. Failure to do so could cause product buckling or crushing.
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