MultiTherm ULT-170 Heat Transfer Fluid

MultiTherm ULT-170 ® heat transfer fluid extends low-end operating ranges far beyond the boundaries of most competitive brands. Even at temperatures below -170°F (-112°C), the fluid remains pumpable.

MultiTherm ULT-170 ®
allows for cost-effective retrofits with minimal equipment modifications. Choose its thermal stability, environmental performance, biodegradability and cost effectiveness for many critical applications.

Viscosity of MultiTherm ULT - 170®

Recommended temperature range:
-170°F (-112°C) to 325°F (163°C)

Typical Properties of MultiTherm ULT-170®
Composition: Hydrocarbon Blend
Appearance and Color: Transparent, clear to light yellow
Property
US units
SI units
Freeze Point
-200°F
-129°C
Boiling Point:
384-354°F
176-179°C
Flash Point
(closed cup):
127°F
53°C
Flash Point
(open cup):
142°F
61°C
Fire Point:
147°F
64°C
Autoignition Temperature:
730°F
388°C
Critical Temperature 1 :
729°F
387°C
Critical Pressure 1 :
33.6 atm
34 bar
Avg. Molecular Weight:
135
Dielectric Constant:
2.3
1 Estimated

Density, Specific Heat, Thermal Conductivity of MultiTherm ULT-170®
Typical Properties of MultiTherm ULT -170®
US Units
Temp.
°F
Density
lb/ft3
Specific Heat
Btu/lb °F
Btu/(hr)(ft2)(°F /ft)
-170 59.1 0.312 0.0956
-120 57.8 0.337 0.0916
-60 56.2 0.367 0.0868
-20 55.1 0.387 0.0836
0 54.6 0.397 0.0820
20 54.0 0.407 0.0804
60 53.0 0.427 0.0772
120 51.4 0.457 0.0724
Typical Properties of MultiTherm ULT-170®
SI Units
Temp.
°C
Density
kg/m3
Specific Heat
kJ/kg K
Thermal Conductivity
W/m K
-125 956.76 1.287 0.1627
-100 937.5 1.375 0.1577
-75 918.24 1.462 0.1527
-50 898.98 1.550 0.1477
-25 879.72 1.637 0.1427
0 860.46 1.725 0.1377
50 821.94 1.900 0.1277
100 783.42 2.075 0.1177