Technical Data Sheet
Therminol® 54 Heat Transfer Fluid
Applications
HTF - bakery
HTF - edible oil
HTF - fertilizer
HTF - fine chemicals
HTF - food production
HTF - food/feed/beverage processing
HTF - frying oil
Laminate flooring
Polymer processing
Road asphalt
Specialty chemicals
Key Attributes
Excellent pumpability
Excellent resistance to fouling
Non-sludge-producing chemistry
Product Description
Eastman Therminol® 54 heat transfer fluid is a synthetic fluid designed to provide reliable, consistent heat transfer performance over a long service life at maximum bulk temperatures up to 280°C (540°F).
Therminol 54 fluid provides an excellent alternative to mid-temperature, mineral oil-based fluids by capturing the performance and nonfouling attributes highly desired of synthetic fluids.
For more information, visit www.Therminol.com.
Typical Properties
Property
Test Method
Typical Value, Units
General
Appearance
Clear, yellow liquid
Composition
Synthetic hydrocarbon mixture
Maximum bulk temperature
280 °C (540 °F)
Maximum film temperature
310 °C (590 °F)
Normal Boiling Point
351 °C (664 °F)
Pumpability
@300 mm2/s (cSt)
-8 °C (17 °F)
@ 2000 mm2/s (cSt)
-28 °C (-18 °F)
Flash Point
COC
ASTM D92
>170 °C (>340 °F)
Autoignition Temperature
ASTM E659
>330 °C (>625 °F)
Pour Point
ISO 3016
<-45 °C (<-50 °F)
Minimum liquid temperatures for fully developed turbulent flow (NRe > 10000)
10 ft/s, 1-in. tube (3.048 m/s, 2.54-cm tube)
67 °C (152 °F)
20 ft/s, 1-in. tube (6.096 m/s, 2.54-cm tube)
45 °C (114 °F)
Minimum liquid temperatures for transitional region flow, (NRe > 2000)
10 ft/s, 1-in. tube (3.048 m/s, 2.54-cm tube)
24 °C (75 °F)
20 ft/s, 1-in. tube (6.096 m/s, 2.54-cm tube)
11 °C (52 °F)
Coefficient of thermal expansion
@ 200°C (392°F)
0.000961 /°C (0.000534 /°F)
Heat of Vaporization
a
234 kJ/kg (100 Btu/lb)
Molecular Weight (Average)
310
Pseudocritical temperature
512 °C (953 °F)
Pseudocritical pressure
13.2 bar (191 psia)
Pseudocritical density
258 kg/m
3
(16.1 lb/ft
3
)
Moisture Content, maximum
ASTM E-203
150 ppm
Dielectric Constant
@ 23°C
ASTM D-924
2.23
a
at maximum use temperature
Comments
Properties reported here are typical of average lots. Eastman makes no representation that the material in any particular shipment will conform exactly to the values given.
Eastman and its marketing affiliates shall not be responsible for the use of this information, or of any product, method, or apparatus mentioned, and you must make your own determination of its suitability and completeness for your own use, for the protection of the environment, and for the health and safety of your employees and purchasers of your products. No warranty is made of the merchantability of fitness of any product, and nothing herein waives any of the Seller's conditions of sale.
4/14/2026 5:32:49 AM