Quality Standard:GB/T 7373-2006
Items | I-type Index | II-type Index | |
Excellent Grade | First Grade | ||
R22 (%) ≥ | 99.9 | 99.6 | 99.95 |
Moisture (%) ≤ | 0.001 | 0.003 | 0.002 |
acidity (as HCL) (%) ≤ | 0.00001 | 0.0001 | 0.0001 |
evaporated residue (%) ≤ | 0.01 | ||
Cl- Test | OK | — | |
Non-condensable gas(25℃) (%) ≤ | 1.5 | — | |
Oxygen content in gas phase( 20℃) (%) ≤ | — | 0.005 | |
Note: R22 as refrigerant is done the Cl- Test and Non-condensable gas(25℃)test. | |||