GB/T 24721.5-2009
AbolishedGlass fiber reinforced plastic product for highway - Part 5: Sign base panel
公路用玻璃纤维增强塑料产品 第5部分：标志底板
Application Summary AI generated
This standard specifies the technical requirements, test methods, inspection rules, and marking for glass fiber reinforced plastic (GFRP) sign base panels used on highways. It is applied in the manufacturing and quality control of road traffic sign backings, ensuring durability and weather resistance for outdoor installation along expressways and national roads.
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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.