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      Part 4 of this standard specifies the requirements for mass inspection of primary and secondary school textbooks, including relevant terms, definitions, mass standards, inspection methods and judgment rules. The standard applies to mass inspection of primary and secondary school textbooks, and Miscellaneous similar textbooks and teaching aids can also be referred to. The standard introduces several relevant technical documents, including paper quantification, folding resistance, opacity, tensile strength and other test methods to ensure that the printing quality of textbooks meets the requirements.

      This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
      Status Active
      CCS A17 ICS 37.100.01
      Release Date 2017-12-29 00:00:00 Implementation Date 2018-07-01 00:00:00
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