GB/T 40260-2021
ActiveTest method for determining gas permeability of polymer membrane materials
高分子膜材料气体渗透性能测试方法
Application Summary AI generated
This standard specifies the test methods for determining the gas permeability of polymer membrane materials, including measurement principles, apparatus, sample preparation, and calculation procedures. It is primarily applied in the chemical and materials industries for evaluating the barrier or permeation performance of polymer films used in packaging, gas separation, and protective coatings. The standard ensures consistent and comparable test results across research, quality control, and product development contexts.
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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.