packaging testing equipment Water Vapor Permeation Tester
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  •  Leak Test Equipment
    2022 High Quality Machines Package Leak Test Equipment

    Test Principle
    Firstly submerge the specimen in the water in the vacuum chamber, and then evacuate the vacuum chamber to form differential
    pressure between the inside and outside of specimen. The seal property can be obtained by observing the steady progression of
    bubbles from the specimen or observing how the specimen expands and restores to its original shape after vacuum release.

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