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Summary: GB/T 17643-2025 took effect on 2025-11-01 replacing the 2011 edition, with updated terminology, environmental-grade HDPE resin requirements and test methods. Purchase documents should cite the edition year.
Three liner standards moved in November 2025: GB/T 17643-2025 (PE geomembrane), GB/T 17642-2025 (composite geomembrane); filament geotextile moved earlier with GB/T 17639-2023.
What buyers should do
- Cite standard number AND year in tenders and contracts;
Hongyue produces and tests to the 2025 editions; edition-mapped data sheets available on request.
Written by the Hongyue technical team from plant practice and site experience; the current standard text governs. Contact +86 18162025999.