item | Performance indicators | Test method for |
appearance | Orange yellow to brown black liquid | visual |
pH | 7.0~9.0 | GB/T6920 |
Density (20℃, g/cm3) | 0.95~1.05 | GB/T4472 |
Freezing point (℃, suitable for environmental requirements) | ≤-10 | GB/T510 |
solubility | Soluble in water | GB/T6324.1 |