GB/T 46399-2025
ActiveFibre grade para-phenylene terephthalamide（PPTA） powder
纤维级聚对苯二甲酰对苯二胺（PPTA）粉体
Application Summary AI generated
GB/T 46399-2025 specifies the technical requirements, test methods, inspection rules, and packaging for fibre grade para-phenylene terephthalamide (PPTA) powder, which is the raw material used to produce high-performance aramid fibers. This standard applies to manufacturers and users in the textile and advanced materials industries, particularly for the production of para-aramid fibers used in bulletproof vests, aerospace composites, and industrial rubber reinforcement. It ensures consistent quality and performance of PPTA powder for spinning into high-tenacity, heat-resistant fibers.
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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.