| Spec. | According to the Request of Q/320601NBB19 | Inspection Result |
| Paraformaldehyde Content
（Formaldehyde) % |
91.0~93.0 | 92.1 |
| Acidity (Formicacid), % | ≤0.03 | 0.001 |
| Methanol Content,% | ≤1 | 0.3 |
| pH | 3.0~7.0 | 6.7 |
| Iron Content, % | ≤0.0002 | 0.00003 |
| Ash, % | ≤0.1 | 0.004 |
