| TESTING ITEMS | SPECIFICATION | RESULTS |
| Description | Colorless or light yellow transparent liquid | Conforms |
| Active component (As HEDP) | 19.0%~21.0% | 20.5% |
| PH value | 2.3~2.9 | 2.5 |
| Iron (As Fe) | ≤20mg/L | 10mg/L |
| Density (20℃) | 1.11~1.21 | 1.19 |
| Conclusion: The Product Conforms to Enterprise Standard. |
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