GB/T 2679.2-2015
ActiveSheet materials—Determination of water vapour trasmission rate —Gravimetric (Dish) method
薄页材料 透湿度的测定 重量（透湿杯）法
Application Summary AI generated
This standard specifies a gravimetric dish method for determining the water vapor transmission rate of sheet materials, such as paper, cardboard, and thin films. It is primarily applied in the packaging industry to evaluate the moisture barrier properties of materials used for wrapping or containing moisture-sensitive products. The test is conducted under controlled temperature and humidity conditions, using a sealed dish containing a desiccant or water to measure vapor transfer through the material.
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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.