Product Announcement from TM Electronics, Inc.

TME Restraining Plate Fixture-Image

The use of restraining plates on flexible, non-porous packages accomplishes two purposes. One purpose is to limit the tested internal volume of the package, which is desirable under some circumstances to increase the sensitivity of the test. Because fill time for pressurizing a smaller volume will be less, reducing the internal volume of a package with restraining plates may reduce the time needed to accomplish the pressure decay test. The second reason to use restraining plates is to equalize the stress on package seals being tested for seal strength. The stress on the package seal becomes more uniform and provides a more consistent test of the weakest seal area. The use of variable gaps between plates provides excellent selectivity for various package configurations.

 
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