| Item | Quality Index | |
| Foaming Agent | Refrigerant | |
| Appearance | Colorless transparent liquid, no obvious visible particles | |
| Purity w%≥ | 99. 60 | 99.8 0 | 
| Moisture w%≤ | 0.0100 | 0.0020 | 
| Acidity(as HCL), w%≤ | 0.0001 | 0.0001 | 
| Nonvolatile Residue w%≤ | / | 0.0100 | 
| Noncondensable gas in vapor phase v%≤ | / | 1.5 | 
 
 
