An interim replacement for R-12 in low-temperature commercial refrigeration systems. For transport refrigeration, low temperature retrofits, retrofits including air conditioners and dehumidifiers.
Genetron® MP66
General Information
| Item | Specification |
|---|---|
| ASHRAE # | R-401B |
| Class | HCFC |
| Refrigerant Type | Blend |
| Typical Lubricant | Alkylbenzene |
| Substitutes | CFC-12 |
| Contains | HCFC-22 (61%), HFC-152a (11%), HCFC-124 (28%) |
| Glide | Moderate |
| Notes | In most cases, no oil change is needed. Best for low temperature R-12 and R-500 retrofit appllications. |
Physical Properties
| Property | Value |
|---|---|
| Chemical Name | Chlorodifluoromethane, Difluoroethane, Chlorotetrafluoroethane |
| Chemical Notation | CHClF2, CHF2CH, CHClFCF3 |
| Molecular Weight | 92.9 |
| Boiling Point (°C) | -34.6 |
| Freezing Point (°C) | -17.8 |
| Critical Temperature (°C) | 105.6 |
| Critical Pressure (bar) | 46.86 |
| Liquid Density (kg/m³) 0°C | 1272.7 |
| Specific Heat of Liquid @ Constant Pressure @ 25°C (kJ/(kg.K)) | 1.2822 |
| Specific Heat of Vapor @ Constant Pressure @ 25°C (kJ/(kg.K)) | 0.8782 |
| Vapour Density (kg/m³) 25°C | 3.8 |
| GWP | 1288 |
| ODP | 0.036 |
| ATEL/ODL (kg/m³) | 0.11 |
| Practical Limit (kg/m³) | 0.34 |
| AIT (°C) | 685 |
| Flammable range, %vol. in air (Based on ASHRAE Standard 34 with Match Ignition) | None |
| ANSIASHRAE Standard 36-1992 Safety Group Classification | A1 |