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| Chinese National Standard Category: Basic standards and general methods for synthetic resin and plastic |
| English Title: | Thermal-insulating materials—Determination of long-term water absorption by diffusion |
| Chinese Title: | 保温材料 扩散法测定长期吸水率 |
| Standard No.: | GB/T 44440-2024 |
| Category No.: | G31 |
| Issued by: | SAMR;SAC |
| Issued on: | 2024-8-23 |
| Implemented on: | 2025-3-1 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 7000 words |
| Similar Standards: |
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