Packaging Leak Tester | Packaging Seal Strength Tester » VCI Packaging http://www.seal-and-leak.com Leak Tester is applicable in leak testing of pouches, bottles, pipes, cans and boxes for foodstuff, pharmaceutical, medical, daily chemistry, automotive, electronic components, stationary and other industries. Fri, 24 Apr 2026 08:04:31 +0000 en hourly 1 http://wordpress.org/?v=3.0.3 VCI Packaging Seal Performance Testing Method http://www.seal-and-leak.com/vci-packaging-seal-performance-testing-method.html http://www.seal-and-leak.com/vci-packaging-seal-performance-testing-method.html#comments Thu, 14 Jul 2011 07:28:17 +0000 admin http://www.seal-and-leak.com/?p=45 VCI (Volatile Corrosion Inhibition) packages, owing to strict requirements, its seal performance testing is quite important. Seal performance is defined as the characteristic of avoiding alien substance entering into or contents coming out of the package. Usual testing methods are as follows:

1. Underwater Decompression Method:

Labthink PARAM MFY-01 Leak Tester is on underwater decompression method according to GB/T 15171-94 Test Method for Leaks in Sealed Flexible Packages. Put a certain amount of distilled water into the vacuum chamber, and put the sealed vacuum container into the distilled water completely. Then, set the testing pressure and testing time. Usually, the vacuum degrees are 20, 30, 50 and 90 kPa, etc. Start testing. When the leak tester has reached a certain vacuum degree, stop vacuumizing and observe. The inner-out pressure difference of the specimen will cause inferior quality specimen leak so as to test leakage.

2. Pressured Testing Method

Labthink PARAM LSSD-01 Leak and Seal Strength Detector is of pressured testing method. Imposing high pressure gas into the vacuum container and test the pressure resistance, sealing degree and leak indexes so as to test integration and seal performance of the vacuum container.

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