How do I determine the testing period for the leakage measurement?

    We advise you to begin with a relatively long test period in order to familiarise yourself with the behaviour of the packaging under inflation, then to optimise the test period once the acceptable thresholds have been defined and the packaging is sufficiently stable after inflation (visible on the test curves).
    When the needle is at atmospheric pressure, the airflow rate is 1 litre per minute for a test pressure of 20 mbar.

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