An interim replacement for retrofitting low-and medium-temperature commercial refrigeration systems.
Genetron® 408A
General Information
Item | Specification |
---|---|
ASHRAE # | R-408A |
Class | HFC |
Refrigerant Type | Blend |
Substitutes | R-502, HCFC-22 |
Contains | HFC-125 (7%), HFC-143a (46%), HCFC-22 (47%) |
Glide | Low |
Notes | Works well as R-502 substitute. Higher discharge temperatures than R-502. Use either synthetic oil or blends of AB/MO with AB>50%. |
Physical Properties
Property | Value |
---|---|
Chemical Name | Pentafluoroethane, Trifluoroethane, Chlorodifluoromethane |
Chemical Notation | CF3CHF2, CF3CH3, CHClF2 |
Molecular Weight | 87.7 |
Boiling Point (°C) | -44.6 |
Freezing Point (°C) | -17.8 |
Critical Temperature (°C) | 83.1 |
Critical Pressure (bar) | 42.94 |
Liquid Density (kg/m³) 0°C | 1152.95 |
Specific Heat of Liquid @ Constant Pressure @ 25°C (kJ/(kg.K)) | 1.4475 |
Specific Heat of Vapor @ Constant Pressure @ 25°C (kJ/(kg.K)) | 1.1004 |
Vapour Density (kg/m³) 25°C | 3.56 |
GWP | 3152 |
ODP | Non-ozone depleting |
ATEL/ODL (kg/m³) | 0.33 |
Practical Limit (kg/m³) | 0.41 |
AIT (°C) | ND |
Flammable range, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition) | None |
ANSIASHRAE Standard 36-1992 Safety Group Classification | A1 |