Vacuum Seal Tester

The vacuum sealer evacuates the vacuum chamber to make the sample immersed in water generate an internal and external pressure difference, and observes the gas escape in the sample, so as to determine the sealing performance of the sample; by evacuating the vacuum chamber, the sample is The internal and external pressure difference is generated, and the shape recovery of the sample after the expansion of the sample and the release of the vacuum are observed, so as to judge the sealing performance of the sample.