GB/T 40166-2021
ActivePaper and board—Accelerated ageing (exposure to nitrogen dioxide)
纸和纸板 加速老化（二氧化氮条件下）
Application Summary AI generated
GB/T 40166-2021 specifies a method for accelerating the ageing of paper and board by exposing them to nitrogen dioxide gas under controlled conditions. It is applied in the paper industry to simulate long-term degradation effects caused by atmospheric pollutants, particularly for assessing the durability and stability of archival papers, documents, and packaging materials. This standard is used in quality control and research contexts to predict how paper products will withstand environmental exposure over time.
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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.