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MackFri® - 02b

MackFri® - 02b
ASHRAE Name : R-402b
(60% HCFC-22 / 38% HFC-125 / 2% R-290)

The Blends for replacement of R-502.

MackFri®-02b refrigerant. It is a near-zeotrope blend with temperature glide less than 1 К.Basic physical qualities of MackFri®-02b refrigerant are given in the table down.

Packing: 12.3 Kg. (27 lb.) Net nonrefillable Steel cylinders and individual neutral carton outside.
                 6.0 Kg. (13.5 lb.) Net nonrefillable Steel cylinders and individual neutral carton outside.


- Acceptable Substitutes for Class I (CFCs) Substances in Commercial Refrigeration under the Significant New Alternatives Policy (SNAP) Program printed on December 18, 2000 as:
MackFri-02b a) replacement for CFC-502 in the Cold Storage  Warehouses (R, N)
b) replacement for CFC-502 in the Ref. Transport (R, N)
c) replacement for CFC-502 in the Retail Food Ref. (R, N)
d) replacement for CFC-502 in the Ice Machines  (R, N)

- Acceptable Substitutes for Class I (CFCs) Substances in Non-Commercial Refrigeration under the Significant New Alternatives Policy (SNAP) Program printed on December 18, 2000 as:
a) replacement for CFC-502 in the Industrial Process Refrigeration (R, N)
b) replacement for CFC-502 in the Household Freezers (R, N)

(R) = Retrofit Uses
(N) = New Uses

Similar : SUVA HP81

Physical properties:
Parameter  
Molecular mass, gm/mole 94,71
Boiling point at atmospheric pressure, oС -47,4
Critical temperature, oС 82,6
Critical pressure, кPа (abs.) 4445
Liquid critical density, kg/m3 530,7
Density at 25 oС, kg/m3:
liquid
saturated vapor

1143
16,90
Liquid specific thermal capacity at 25 oС, kJoule/(kg*К) 1,273
Vapors specific thermal capacity at 25 oС and atmospheric temperature, kJoule/(kg*K) 0,726
Pressure of saturated liquid vapors at 25 oС, кPа (abs.) 1267
Heat of vaporization at normal boiling point, kJoule/kg 210,7
Liquid coefficient of heat conductivity at 25 oС, Wt/(m*К) (8,13...9,0) х 10-2
Vapors coefficient of heat conductivity at 25 oС and atmospheric pressure, Wt/mм*К) 1,1 х 10-2
Water solubility in the refrigerant at 25 oС, mas.% -
Inflammability level in the air (0,1 МPа), vol.% No
Ozone depletion potential ODP 0,03
Global warming potential HGWP 0,52
Tolerance concentration at inhale (TC), mln-1 1000