"The Exception To The Rule"

Ultra-Low Temperature Heat Transfer Fluid
MultiTherm ULT-170 ®

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


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, biodegrade-ability and cost effectiveness for many critical applications.

Recommended Temperature Range:
-170°F (-112°C) to 100°F (38°C)

Technical Information
For more technical, health and safety information or to request a Material Safety Data Sheet (MSDS), contact our MultiTherm sales representative at:

Toll Free: 800-225-7440
Ph: 610-408-8361, Fax: 610-408-8365
or e-mail at TechInfo@MultiTherm.com.

Viscosity of MultiTherm ULT - 170®

Warranty: MultiTherm® warrants that MultiTherm ULT-170® conforms to the data set forth in this brochure. We present this information in good faith, but because we cannot control or anticipate the many different conditions under which our information and product may be used, no other warranty, expressed or implied, is given.