GB/T 9900-2025
ActiveRubber- or plastics-coated fabrics—Ventilation ducting
橡胶或塑料涂覆织物 导风筒
Application Summary AI generated
This standard specifies the technical requirements, test methods, inspection rules, and marking for flexible ventilation ducting made from rubber- or plastics-coated fabrics. It is primarily applied in underground mining, tunneling, and construction ventilation systems where durable, airtight, and flame-resistant ducting is required to transport air safely. The standard ensures product performance for industrial safety and air quality control in confined workspaces.
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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.