GB/T 22827-2008
ActiveAccordion bellows board
手风琴风箱纸板
Application Summary AI generated
GB/T 22827-2008 specifies the technical requirements, test methods, and quality standards for accordion bellows board, a specialized paperboard used in the construction of accordion bellows. It is applied in the manufacturing of musical instruments, particularly accordions, where the board must exhibit specific flexibility, durability, and air-tightness to ensure proper sound production and mechanical performance. This standard is used by paperboard producers and accordion manufacturers in China to guarantee consistent material properties for bellows assembly and quality control.
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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.