| | | 2023 — 2024 | | | | | | 2024 3 4 | | | | 2023 — 2024 | | | 2023 — 2024 | | | 2023 641 | | | | 2023 — 2024 | | 2023 — 2024 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2024 6 | | 21 | | | | | | | GB13735 — 2017 | 0.012 mm | | I | | | | 0.5％ | | | | | | ≥180 | ≥2.2N | ( )≥300% | ≥1.2N | | ≥50% | | | | | | | | | | | | | | | | | | | | — | | | | | | GB/T35795 2017 | ≥80 | 400g/(㎡. 24h | ≥ 51% ≥ 90% | | ≥ 150% ≥250% | ≥ 0.8 N | | | | | | | | PE.PP | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2 1 | 2 1 | | | | D B 15/T 2257 — 2021 | 2024 6 | | | | | | PE | | | | 2 2 | 1 PE | | 2024 6 | | | | | | | | | | 2022 — 2023 | 2023 — 2024 | | | | | | | | | | | 0.012 mm | | | | | | | | | | | | | | | | | 0.01mm | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 25 | 120 | | | | | | | | | | | | | | | | | | | | | | | | 2023 310 | | | | | | | | | | | | | | | | | | | | | | | | | |