| English Title: | National food safety standard- Food contact materials and products - Determination of migration of 4,4'- biphenol and 1,1'- sulfonyl bis (4-chlorobenzene) |
| Chinese Title: | 食品安全国家标准 食品接触材料及制品?4,4’-联苯二酚和1,1’-磺酰基二（4-氯苯）迁移量的测定 |
| Standard No.: | GB 31604.63-2025 |
| Category No.: | X09 |
| Issued by: | National Health Commission of the People's Republic of China, State Administration for Market Regulation |
| Issued on: | 2025-03-16 |
| Implemented on: | 2025-9-16 |
| Status: | valid |
| Superseded by: | |
| Superseded on: | |
| Abolished on: | |
| Superseding: | |
| Word Count: | 6000 words |
| Similar Standards: |
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