GB/T 31729-2015
ActiveTest method for mass per unit area of plastic film
塑料薄膜单位面积质量试验方法
Application Summary AI generated
This standard specifies a gravimetric method for determining the mass per unit area of plastic films. It is applied in quality control and material specification verification within the plastic film manufacturing industry, particularly for packaging, agricultural mulch, and industrial film products. The test is used to ensure uniformity and compliance with thickness-related performance requirements during production and procurement.
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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.