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Run: Moisture Vapor Transmission Rate (MVTR/WVTR) Test Log

Record MVTR/WVTR test conditions and results for films and finished packages in one controlled log. Use it to verify barrier performance, compare replicates,...

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Inspection Header and Sample Identification

Test date and time recorded critical (required)

Inspector name and role documented critical (required)

Sample ID, lot number, and material description recorded critical (required)

Sample type identified critical (required)

Test objective documented

State whether this is incoming qualification, supplier validation, shelf-life support, or routine verification.

Reference specification or acceptance criteria attached critical (required)

Test Method and Instrument Setup

Test method identified as ASTM F1249 or equivalent approved method critical (required)

Test instrument ID and calibration status recorded critical (required)

Test cell configuration and exposed test area recorded critical (required)

Temperature setpoint critical (required)

Relative humidity setpoint critical (required)

Conditioning time before test recorded

Sample Preparation and Test Conditions

Sample conditioned per approved procedure before testing critical (required)

Yes No N/A

Sample orientation and side tested documented critical (required)

Seal integrity or mounting integrity verified before run critical (required)

Yes No N/A

Test run duration critical (required)

Replicate count critical (required)

Test anomalies or deviations noted

Record leaks, instrument alarms, unstable readings, or any deviation from the approved method.

MVTR/WVTR Results

MVTR/WVTR result recorded critical (required)

Acceptance limit recorded critical (required)

Result meets acceptance criteria critical (required)

Yes No N/A

Average of replicates recorded

Standard deviation or variability recorded

Barrier performance supports shelf-life requirement critical (required)

Yes No N/A

Disposition, Non-Conformance, and Sign-Off

Non-conformance or out-of-spec result documented

Yes No N/A

Corrective action or escalation initiated when required

Include hold, retest, investigation, supplier notification, or CAPA reference if applicable.

Final disposition selected critical (required)

Inspector signature critical (required)

Reviewer or QA approval signature

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