Physical Properties
| Property |
Units |
Value |
| Bubble Point (@ 1atm) |
°C |
-85.69 |
| Dew Point (@ 1atm) |
°C |
-85.68 |
| Bubble Point Pressure (-40°C) |
bara |
8.2 |
| Estimated Critical Temperature |
°C |
13.2 (+/- 0.2) |
| Estimated Critical Pressure |
bara |
40.6 |
| Estimated Critical Density |
kg/m3 |
565 |
| Latent Heat of Vaporisation (40°C) |
kJ/kg |
131.0 |
| Coeff. Vol. Therm. Exp. (LIQ,-40°C) |
K-1 |
0.0038 |
| Saturated Vapour Density at 12atm |
kg/m3 |
6.73 |
EQUATION OF STATE (MARTIN-HOU)
where :
T
r = T / T
c, P
r = P / P
c, V
r = V / V
c
X = 3.4204723
B = 0.0
K = 5.475
T
c,P
c,RHO
c = 296.2(K), 40.64(bara), 565(kg/m
3)
V
c = 0.0017699115 (m
3/kg)
A
1,B
1,C
1 = -9.6231920151, 5.9684731269, -12.784335853
A
2,B
2,C
2 = 7.1412626727, -5.9241575194.-103.70454196
A
3,B
3,C
3 = 7.4807774392, 0.0, 0.0
A
4,B
4,C
4 = 0.0, -9.806347388, -1538.0017585
APPLICABLE RANGE:- 0-30 BARA, 0-100K SUPERHEAT
SATURATION ENVELOPE − BUBBLE POINT TEMPERATURES
Bubble Point Temperature (T
b) = A + BX + CX
2 + DX
3
| |
Tb |
= |
Bubble point temperature in K |
| X |
= |
Ln(P) |
| P |
= |
pressure in bara |
| A |
= |
187.2326 |
| B |
= |
17.31382 |
| C |
= |
1.522047 |
| D |
= |
0.289615 |
SATURATION ENVELOPE - DEW POINT TEMPERATURES
Dew Point Temperature (T
d) = A + BX + CX
2 + DX
3
| |
Td |
= |
Bubble point temperature in K |
| X |
= |
Ln(P) |
| P |
= |
pressure in bara |
| A |
= |
187.245 |
| B |
= |
17.28334 |
| C |
= |
1.595542 |
| D |
= |
0.275846 |
SATURATION ENVELOPE − MID POINT TEMPERATURES
Mid Point Temperature (T
m) = A + BX + CX
2 + DX
3
| |
Tm |
= |
Average of Dew and Bubble point temperatures in K |
| X |
= |
Ln(P) |
| P |
= |
pressure in bara |
| A |
= |
187.2388 |
| B |
= |
17.29858 |
| C |
= |
1.558795 |
| D |
= |
0.28273 |
EXTENDED ANTOINE EQUATION - MID POINT TEMPERATURES
B
LnP = A + ------- + DT + ELn(T)
C + T
| |
Tm |
= |
temperature (Midpoint) K |
| P |
= |
vapour pressure in bara |
| A |
= |
78.89655 |
| B |
= |
-3467.72 |
| C |
= |
0 |
| D |
= |
0.025933 |
| E |
= |
-12.467 |
LATENT HEAT VAPORISATION
| |
DHvap |
= |
A + Bx + Cx2 + Dx3 + Ex4 |
| where x |
= |
(1-(T/Tc))(1/3) |
| |
A |
= |
-249.986 |
Tm = Temperature K |
| B |
= |
1085.776 |
Tc = Crit. Temperature K |
| C |
= |
-946.618 |
Tc = 296.2 K |
| D |
= |
329.5361 |
DHvap kJ/kg |
| E |
= |
0 |
|
IDEAL GAS HEAT CAPACITY
C
p(ideal) = A + BT + CT
2 + DT
3 + E/T
| |
A |
= |
0.57875 |
T = Temperature K |
| B |
= |
0 |
|
| C |
= |
4.07387E-06 |
Cp(ideal) kJ/kg.K |
| D |
= |
-4.43004E-09 |
|
| E |
= |
-22.533 |
|
SATURATED LIQUID ENTHALPY
| |
H liq |
= |
A + Bx + Cx2 + Dx3 + Ex4 |
| where x |
= |
(1-(T/Tc))(1/3) |
| |
A |
= |
254.8562 |
T = Temperature K |
| B |
= |
-413.633 |
Tc = Crit. Temperature K |
| C |
= |
216.1449 |
Tc = 296.2 K |
| D |
= |
-235.256 |
|
| E |
= |
0 |
H liq kJ/kg |
LIQUID DENSITY
| |
d liq |
= |
A + Bx + Cx2 + Dx3 + Ex4 |
| where x |
= |
(1-(T/Tc))(1/3) |
| |
A |
= |
198.9094 |
T = Temperature K |
| B |
= |
3052.538 |
Tc = Crit. Temperature K |
| C |
= |
-3288.66 |
Tc = 296.2 K |
| D |
= |
2334.815 |
|
| E |
= |
0 |
d liq kg/m3 |
LIQUID VISCOSITY
μ
liq = A + BT + CT
2 + DT
3 + E/T
| |
A |
= |
3.777924 |
T = Temperature K |
| B |
= |
-3.99992E-02 |
μ liq cP |
| C |
= |
1.48327E-04 |
|
| D |
= |
-1.885509E-07 |
|
| E |
= |
0 |
|
LIQUID THERMAL CONDUCTIVITY
| |
K liq |
= |
A + BT + CT2 + DT3 + E/T |
| |
A |
= |
0 |
T = Temperature K |
| B |
= |
1.076552E-03 |
Tc = Crit. Temperature K |
| C |
= |
-6.353104E-06 |
|
| D |
= |
1.007624E-08 |
K liq W/m.K |
| E |
= |
10.760998 |
|
SATURATED VAPOUR DENSITY
| |
d vap |
= |
A + Bx + Cx2 + Dx3 + Ex4 |
| where x |
= |
(1-(T/Tc))(1/3) |
| |
A |
= |
1497.346 |
T = Temperature K |
| B |
= |
-4820.42 |
Tc = Crit. Temperature K |
| C |
= |
4971.157 |
Tc = 296.2 K |
| D |
= |
|
d vap kg/m3 |
| E |
= |
0 |
|
VAPOUR VISCOSITY (IDEAL VAPOUR)
μ
vap = A + BT + CT
2 + DT
3 + E/T
| |
A |
= |
1.077659E-02 |
T = Temperature K |
| B |
= |
0 |
μ vap cP |
| C |
= |
7.468496E-08 |
|
| D |
= |
0 |
|
| E |
= |
-0.71422286 |
|
VAPOUR THERMAL CONDUCTIVITY (IDEAL VAPOUR)
K
vap = A + BT + CT
2 + DT
3 + E/T
| |
A |
= |
6.956163E-03 |
T = Temperature K |
| B |
= |
0 |
K vap W/m.K |
| C |
= |
1.03923E-07 |
|
| D |
= |
0 |
|
| E |
= |
-0.664503 |
|
SATURATION ENVELOPE
| Pressure (Bar) |
Temp BUB pnt (°C) |
Temp MID pnt (°C) |
Temp DEW pnt (°C) |
| 1.000 |
-85.9 |
-85.9 |
-85.9 |
| 2.000 |
-73.1 |
-73.1 |
-73.1 |
| 3.000 |
-64.7 |
-64.7 |
-64.6 |
| 4.000 |
-58.2 |
-58.2 |
-58.1 |
| 6.000 |
-48.3 |
-48.3 |
-48.2 |
| 8.000 |
-40.7 |
-40.7 |
-40.6 |
| 10.000 |
-34.4 |
-34.4 |
-34.3 |
| 12.000 |
-29.1 |
-29.0 |
-28.9 |
| 14.000 |
-24.3 |
-24.2 |
-24.1 |
| 16.000 |
-20.0 |
-19.9 |
-19.8 |
| 18.000 |
-16.2 |
-16.1 |
-16.0 |
| 20.000 |
-12.6 |
-12.5 |
-12.4 |
LIQUID PROPERTIES
| Temp (°C) |
LIQUID DENSITY (kg/m3) |
LIQUID ENTH (kJ/kg) |
LATENT HEAT (kJ/kg) |
LIQUID VISCOSITY Cp |
LIQ. THERM COND (W/m.K) |
| -90.00 |
1574 |
-21.2 |
165.3 |
0.27 |
0.105 |
| -85.69 |
1556 |
-16.9 |
163.1 |
0.25 |
0.102 |
| -85.00 |
1553 |
-16.2 |
162.7 |
0.25 |
0.102 |
| -80.00 |
1531 |
-11.0 |
160.1 |
0.23 |
0.099 |
| -75.00 |
1510 |
-5.7 |
157.2 |
0.21 |
0.097 |
| -70.00 |
1488 |
-0.3 |
154.2 |
0.19 |
0.094 |
| -65.00 |
1465 |
5.1 |
151.0 |
0.18 |
0.091 |
| -60.00 |
1443 |
10.8 |
147.5 |
0.17 |
0.089 |
| -55.00 |
1419 |
16.5 |
143.9 |
0.15 |
0.086 |
| -50.00 |
1396 |
22.4 |
139.9 |
0.14 |
0.084 |
| -45.00 |
1371 |
28.6 |
135.6 |
0.13 |
0.082 |
| -40.00 |
1346 |
34.9 |
131.0 |
0.13 |
0.080 |
| -35.00 |
1320 |
41.4 |
125.9 |
0.12 |
0.077 |
| -30.00 |
1293 |
48.2 |
120.3 |
0.11 |
0.075 |
| -25.00 |
1264 |
55.4 |
114.1 |
0.10 |
0.073 |
| -20.00 |
1234 |
62.9 |
107.1 |
0.10 |
0.071 |
| -15.00 |
1202 |
71.0 |
99.2 |
0.09 |
0.070 |
| -10.00 |
1167 |
79.6 |
90.1 |
0.09 |
0.068 |
VAPOUR PROPERTIES
| Temp (°C) |
ID. GAS Cp (J/g.K) |
ID. GAS VISCOSITY (cP) |
ID. GAS THERM COND (W/m.K) |
SAT VAP DENSITY (kg/m3) |
| -90.00 |
0.565 |
0.009 |
0.007 |
5.33 |
| -85.69 |
0.573 |
0.010 |
0.007 |
6.73 |
| -85.00 |
0.574 |
0.010 |
0.00 |
6.98 |
| -80.00 |
0.582 |
0.010 |
0.007 |
9.06 |
| -75.00 |
0.591 |
0.010 |
0.008 |
11.64 |
| -70.00 |
0.599 |
0.010 |
0.008 |
14.76 |
| -65.00 |
0.607 |
0.011 |
0.008 |
18.51 |
| -60.00 |
0.615 |
0.011 |
0.009 |
22.99 |
| -55.00 |
0.623 |
0.011 |
0.009 |
28.29 |
| -50.00 |
0.631 |
0.011 |
0.009 |
34.55 |
| -45.00 |
0.639 |
0.012 |
0.009 |
41.92 |
| -40.00 |
0.647 |
0.012 |
0.010 |
50.61 |
| -35.00 |
0.655 |
0.012 |
0.010 |
60.84 |
| -30.00 |
0.663 |
0.012 |
0.010 |
72.93 |
| -25.00 |
0.671 |
0.012 |
0.011 |
87.28 |
| -20.00 |
0.679 |
0.013 |
0.011 |
104.4 |
| -15.00 |
0.687 |
0.013 |
0.011 |
125.0 |
| -10.00 |
0.695 |
0.013 |
0.012 |
150.2 |
The correlations in this data sheet should not be used outside the applicable ranges quoted. Contact Mexichem Fluor for further advice.
Information contained in this publication, or as otherwise supplied to the Users is believed to be accurate and given in good faith, but it is for the User to satisfy itself of the suitability for its own particular purpose. Mexichem Fluor gives no warranty as to the fitness of the Product for any particular purpose and any implied warranty or condition (statutory or otherwise) is excluded except to the extent that such exclusion is prevented by law. Mexichem Fluor accepts no liability for loss or damage (other than that arising from death or personal injury caused by defective product, if proved), resulting from reliance on this information. Freedom under Patent, Copyright and Design cannot be assumed. KLEA® and Mexichem Fluor® are trademarks of Mexichem SAB de C.V. Mexichem UK Limited is Registered in England No 07088219. Registered Office, The Heath Business & Technical Park, Runcorn, Cheshire, WA7 4QX.
