Mocon AMETEK Dansensor Lippke 5000 - Creep Test

Dansensor® Lippke® 5000 EN User Guide 45
P/N 380419-C
05/2022
Creep test
A Creep test can be used to identify the weakest area of a package and thereby the possible
origination point of a package burst. A Creep test inflates the package to a specific pressure
(typically approx. 80% of the burst pressure) and maintains this pressure for a specified time
period. The package passes the test if it does not burst during the test. The Creep test
complies with ASTM F1140.
CAUTION! It is possible that the package will burst during a Creep test. Please note
that the pressure may not drop to a low level immediately after the test.
NOTE! When testing filled packages, precautions may be necessary to ensure that
the product does not contaminate the operator or the system. Depending on the
package contents, the use of safety glasses may be advisable. A protective hood
placed over the package may offer additional protection.
A Creep test is divided into 2 phases:
 The package is inflated to the test pressure.
 The test pressure is maintained for a fixed period of time.
The results from the Creep test are:
 PASS - if the package does not burst.
 FAIL - if the package bursts.
CAUTION! If the package did not burst, it is still under pressure! Remove the
package carefully; a sudden pressure drop will occur when it is removed.
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