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BTTRI GAS® 402B An interim replacement for R-502 used mainly for ice machines and soft ice cream machines .
| Appearance | Colorless |
| Odor | Odorless |
| Purity(≥%) | ≥99.8 |
| Moisture (≤ %) | 10 PPM |
| Acidity(≤%,HCl) | 1 PPM |
| Toxicity | Low |
| Atmospheric Lifetime | 18.46 |
| ODP | 0.03 |
| GWP | 2,416 |
All Containers should be stored in cool, dry and ventilated place, and kept away from sunlight and rain.
| Cans | N/A |
| Disposable Cylinder | N/A |
| ISO Tank | N/A |
| Refillable Cylinder | N/A |
| Tank | N/A |
| Chemical Name | Chlorodifluoroemethane Pentafluoroemethane Propane |
| Chemical Formula | CHCLF2/CF3CHF2/C3H8 |
| CAS Number | HP-81 |
| ASHRAE Number | R-402B |
| Molecular Weight | 94.7 |
| Boiling Point under 1.013 X 105 Pa,℃ | -52.6 |
| Freezing Point | - |
| Critical temperature,℃ | 181.2 |
| Critical pressure,Mpa | 654.87 |
| Saturated Liquid Density @ 86°F (lb./cu.ft.) | 70.4 |
| Specific Heat of Liquid @ 86°F (Btu/lb.°F) | 0.33 |
| Specific Heat of Vapour (Btu/lb.°F) | 0.15 |
| Flammability & Explosively. (Based on ASHRAE Standard 34 with Match ignition)+ + | None |
| ANSI/ASHRAE Standard 34-1992 Safety Group Classification | A1 |
