opacimetr, służący do badania stopnia wybielenia i transparentności folii,
urządzenie HOT-TACK służące do badania siły zgrzewu na gorąco,
weryfikator kodów kreskowych,
zestaw mikromierzy do badania grubości folii.

- http://elafolie.pl/kontrola-jakosci/

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The maximum or peak hot tack temperature is typically near where the heat seal strength reaches its plateau value. These may not exactly be the same due to differences in measurement.

- https://www.sciencedirect.com/topics/engineering/hot-tack

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Heat seal strength test

ISO11607-2 (Validation requirements for forming, sealing and assembly processes), requires Performance Qualification (PQ) of packaging devices to be carried out and documented. During PQ proof must be provided after sterilization that the process is under control and produces optimally sealed or closed sterile barrier systems.

Verification is being done by means of a heat seal strength test as per EN 868-5. The heat seal strength test is a test which validates the sealing process. By testing the sealed pouches one tests the combination of the packaging material and the heat sealing process. If the results are good, then it can be concluded that he sealing process went well too.

- https://www.famos-medical.com/heat-seal-strength-test/

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PSST-100 Portable Heat Seal Strength Tester is designed for heat seal strength test of plastic films, composite films and other materials. - http://en.labthink.com/en-us/product/psst-100-portable-heat-...