GB/T 43019.4-2025
ActiveDetermination of water vapour transmission rate for plastics film and sheeting—Part 4: Gas chromatographic method
塑料薄膜和薄片水蒸气透过率的测定 第4部分: 气相色谱法
Application Summary AI generated
This standard specifies a gas chromatographic method for determining the water vapor transmission rate of plastic films and sheets. It is applied in quality control and material testing within the packaging, food, and pharmaceutical industries, particularly for evaluating the moisture barrier properties of flexible packaging materials. The method is suitable for testing thin films and laminates where precise, low-level water vapor transmission measurements are required.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.