| Item | Indicator |
| Appearance | Red-brown stringy liquid |
| Solubility | Soluble in hydrochloric acid and mud acid under normal temperature |
| pH value | 7~8 |
| Density | 1.0~1.1(25℃) |
| Solidifying point | < -8 ?C |
| Recommended working temperature | < 160?C |
|
Corrosion speed 150℃,18%HCl+3%HF+2.0%SL-CR-H |
≤35g/m2.h |