Technical Data Sheet
MARLOTHERM® XC Heat Transfer Fluid
Product Description
Marlotherm XC is a high performance, synthetic organic heat transfer fluid designed especially for use in the liquid phase in closed heat transfer systems with forced circulation. Considering its superior physical and thermal properties, Marlotherm XC is very well suited for heat transfer processes that require excellent heating and/or cooling performance throughout its recommended temperature range.
Typical Properties
Property
Test Method
Typical Value, Units
Dielectric Constant
@ 20°C (68°F)
2.38
Moisture Content, maximum
ASTM E-203
<300 ppm
Copper Corrosion
ASTM D 130
1 A
Liquid Density
@ 25°C (77°F)
ASTM D 4052
857 kg/m
3
(7.15 lb/gal)
Pseudocritical density
280 kg/m
3
(17.5 lb/ft
3
)
Pseudocritical pressure
32.1 bar (465 psia)
Pseudocritical temperature
358 °C (676 °F)
Molecular Weight (Average)
120
Viscosity, Kinematic
@ 40°C (104°F)
ASTM D 445
0.779 mm
2
/s
@ 100°C (212°F)
ASTM D 445
0.463 mm
2
/s
Coefficient of thermal expansion
@ 200°C (392°F)
0.00159 /°C (0.000882 /°F)
Heat of Vaporization
@ 300°C (572°F)
144 kJ/kg (62.0 Btu/lb)
Minimum liquid temperatures for fully developed turbulent flow (NRe > 10000)
20 ft/s, 1-in. tube (6.096 m/s, 2.54-cm tube)
<-90 °C (<-130 °F)
10 ft/s, 1-in. tube (3.048 m/s, 2.54-cm tube)
-84 °C (-119 °F)
Pour Point
ISO 3016
<-90 °C (<-130 °F)
Autoignition Temperature
DIN 51794
~420 °C (~788 °F)
ASTM E659
441 °C (826 °F)
Fire Point
COC
ASTM D92
50 °C (122 °F)
Flash Point
CC
ASTM D93
38.8 °C (102 °F)
Pumpability
@ 300mm2/s (cSt)
<-90 °C (<-130 °F)
Normal Boiling Point
152 °C (306 °F)
Maximum film temperature
320 °C (608 °F)
Recommended Bulk Temperature
300 °C (570 °F)
Composition
Cumene
Appearance
Clear liquid
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.
8/6/2020 4:24:48 AM