MackFri - 200
MackFri® - 200
ASHRAE Name : R-227ea
(Heptafluoropropane; HFC-227ea)
The Blends for replacement of R-11 and Halon 1301.
Under normal temperature and pressure, MackFri®-200 is a colorless gas. Highly toxic and inflammable gas at inflammation.
Consumption sector:
Aerosol propellant.
Despite relatively high potential of global warming of this combination, MackFri®-200 is viewed as acceptable after it has found its application in measuring inhalator compared to other substitutes which do not ensure meeting basic requirements.
Fire-fighting.
Surrenders to 13B1 chladone in 2,5 times with regard to efficiency.
Blend refrigerant compositions.
When substituting refrigerant 12 its share in the blend composition being used makes 40% (HCFC-22 - 41%, HCFC142b - 15%, isobutane - 4%).
Similar : MF-200
Physical properties:
At normal temperature and pressure, HFC-227ea is a colourless gas. It is a highly effective and toxic fire extinguishing agent. |
|
HFC-227ea |
Halon 1301 |
Formula |
CF3CHFCF3 |
CF3Br |
Molecular weight |
170 |
149 |
Boiling point,0C |
-17 |
-57.8 |
Density of liquid at 250C,Kg.dm-3 |
1.4 |
1.54 |
Vapour pressure at 250C,MPa |
0.45 |
1.62 |
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