GB/T 4455-2019
ActivePolyethylene blown covering film for agriculture
农业用聚乙烯吹塑棚膜
Application Summary AI generated
GB/T 4455-2019 specifies the classification, requirements, test methods, inspection rules, and packaging for polyethylene blown films used as agricultural covering materials. It is applied in the production and quality control of greenhouse and tunnel films, ensuring mechanical strength, light transmission, and durability for crop protection in farming. The standard is used by manufacturers and regulatory bodies to verify film performance under outdoor agricultural conditions.
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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.