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See Chinese contents: GB/T 41874-2022 GB/T 41874-2022: Plastics -- Poly(phenylene ether) resin
This document specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of poly (phenylene ether). This document is applicable to poly (phenylene ether) products produced by the polymerization of 2,6-xylenol with oxygen in the presence of a catalyst. Note: Poly (phenylene ether) is also known as PPO.
