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| Chinese National Standard Category: Articles for labor protection |
| English Title: | Hearing protective equipment—Part 2:Earmuffs |
| Chinese Title: | 听力防护装备 第2部分：耳罩 |
| Standard No.: | GB 31422.2-2025 |
| Category No.: | C73 |
| Issued by: | SAMR; SAC |
| Issued on: | 2025-08-29 |
| Implemented on: | 2026-9-1 |
| Status: | to be valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | GB/T 31422-2015 Personal protective equipment―General technical requirements for hearing protectors |
| Word Count: | 8000 words |
| Similar Standards: |
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