Moisture Vapor Transmission Rate (MVTR/WVTR) Test Log

Inspection log for recording MVTR and WVTR test results for films and finished packages, including ASTM F1249 test conditions, barrier performance, and shelf-life compliance review.

Inspection Header and Sample Identification

• Test date and time recorded
• Inspector name and role documented
• Sample ID, lot number, and material description recorded
• Sample type identified
• Test objective documented
  State whether this is incoming qualification, supplier validation, shelf-life support, or routine verification.
• Reference specification or acceptance criteria attached

Test Method and Instrument Setup

• Test method identified as ASTM F1249 or equivalent approved method
• Test instrument ID and calibration status recorded
• Test cell configuration and exposed test area recorded
• Temperature setpoint
• Relative humidity setpoint
• Conditioning time before test recorded

Sample Preparation and Test Conditions

• Sample conditioned per approved procedure before testing
• Sample orientation and side tested documented
• Seal integrity or mounting integrity verified before run
• Test run duration
• Replicate count
• 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
• Acceptance limit recorded
• Result meets acceptance criteria
• Average of replicates recorded
• Standard deviation or variability recorded
• Barrier performance supports shelf-life requirement

Disposition, Non-Conformance, and Sign-Off

• Non-conformance or out-of-spec result documented
• Corrective action or escalation initiated when required
  Include hold, retest, investigation, supplier notification, or CAPA reference if applicable.
• Final disposition selected
• Inspector signature
• Reviewer or QA approval signature