Mocon AMETEK Dansensor Lippke 5000 - Creep2 Fail Test

48 User Guide EN Dansensor® Lippke® 5000
P/N 380419-C
05/2022
Creep2Fail test
The Creep2Fail is test is similar to the Creep test, but it uses a test pressure between 95%-
100% of the burst pressure. The test pressure should be high enough to cause a slow but
progressive failure during the specified test time. The Creep2Fail test is compliant with ASTM
F1140.
CAUTION! It is possible that the package will burst during a Creep2Fail 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 Creep2Fail 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 Creep2Fail test are:
 PASS - if the package bursts within the set time limits.
 FAIL - if the package bursts outside the set time limits or does not burst at all.
CAUTION! If the package did not burst, it is still under pressure! Stop the test and
then remove the package carefully; a sudden pressure drop will occur when it is
removed.
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