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8.1.11.1 Limitations and Disclaimer
The information given in this manual regarding fluids is intended only to be
used as a general guide in choosing a fluid. Though every effort has been made
to provide correct information we cannot guarantee accuracy of data or assure
suitability of a fluid for a particular application. Specifications may change and
sources sometimes offer differing information. GE Kaye Instruments cannot be
liable for any personal injury or damage to equipment, product or facilities re
-
sulting from the use of these fluids. The user of the bath is responsible for col
-
lecting correct information, exercising proper judgment, and insuring safe
operation. Operating near the limits of certain properties such as the flash point
or viscosity can compromise safety or performance. Your company’s safety
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8 General Operation
Fluid
(# = Hart Part No.)
Lower
Temperature
Limit*
Upper Temperature
Limit* Flash
Point
Viscosity
(centistokes)
Specific
Gravity
Specific Heat
(cal/g/°C)
Thermal
Conductivity
(cal/s/cm/°C)
Thermal
Expansion
(cm/cm/°C)
Resistivity
(10
Ω-cm )
Halocarbon 0.8
#5019
–100°C (v)** 70°C (e) NONE 5.7 @ –50°C
0.8 @ 40°C
0.5 @ 70°C
1.71 @ 40°C 0.2 0.0004 0.0011
Methanol –96°C (fr) 10°C (fl,cc) 12°C 1.3 @ –35°C
0.66 @ 0°C
0.45 @ 20°C
0.810 @ 0°C
0.792 @ 20°C
0.6 0.0005 @ 20°C 0.0014 @ 25°C
Water 0°C (fr) 95°C (b) NONE 1@ 25°C
0.4 @ 75°C
1.00 1.00 0.0014 0.0002@ 25°C
Ethylene
Glycol—50%
#5020
–30°C (fr) 90°C (b) NONE 7 @ 0°C
2 @ 50°C
0.7 @ 100°C
1.05 0.8 @ 0°C 0.001
Mineral Oil No.7
#5011
10°C (v) 166°C (fl) 168°C 15 @ 75°C
5 @ 125°C
0.87 @ 25°C
0.84 @ 75°C
0.81 @ 125°C
0.48 @ 25°C
0.53 @ 75°C
0.57 @ 125°C
0.00025 @ 25°C 0.0007 @ 50°C 5 @ 25°C
Silicone Oil Type
200.05 #5010
–40°C (v)** 130°C (fl, cc) 133°C 5 @ 25°C 0.92 @ 25°C 0.4 0.00028 @ 25°C 0.00105 1000 @ 25°C
10 @ 150°C
Silicone Oil Type
200.10 #5012
–30°C (v)** 209°C (fl, cc) 211°C 10 @ 25°C
3 @ 135°C
0.934 @ 25°C 0.43 @ 40°C
0.45 @ 100°C
0.482 @ 200°C
0.00032 @ 25°C 0.00108 1000 @ 25°C
50 @ 150°C
Silicone Oil Type
200.20 #5013
10°C (v) 230°C (fl, cc) 232°C 20 @ 25°C 0.949 @ 25°C 0.370 @ 40°C
0.393 @ 100°C
0.420 @ 200°C
0.00034 @ 25°C 0.00107 1000 @ 25°C
50 @ 150°C
Silicone Oil Type
200.50 #5014
30°C (v) 278°C (fl, cc) 280°C 50 @ 25°C 0.96 @ 25°C 0.4 0.00037 @ 25°C 0.00104 1000@ 25°C
50 @ 150°C
Silicone Oil Type 550
#5016
70°C (v) 230°C (fl, cc)
300°C (fl, oc)
232°C 50 @ 70°C
10 @ 104°C
1.07 @ 25°C 0.358 @ 40°C
0.386 @ 100°C
0.433 @ 200°C
0.00035 @ 25°C 0.00075 100 @ 25°C
1 @ 150°C
Silicone Oil Type 710
#5017
80°C (v) 300°C (fl, oc) 302°C 50 @ 80°C
7 @ 204°C
1.11 @ 25°C 0.363 @ 40°C
0.454 @ 100°C
0.505 @ 200°C
0.00035 @ 25°C 0.00077 100 @ 25°C
1 @ 150°C
Silicone Oil Type
210-H
66°C (v) 313°C (fl, oc) 315°C 50 @ 66°C
14 @ 204°C
0.96 @ 25°C 0.34 @ 100°C 0.0003 0.00095 100@ 25°C
1 @ 150°C
Heat Transfer Salt
#5001
180°C (fr) 550°C NONE 34 @ 150°C
6.5 @ 300°C
2.4 @ 500°C
2.0 @ 150°C
1.9 @ 300°C
1.7 @ 500°C
0.33 0.0014 0.00041
1.7 Ω /cm
3
*Limiting Factors — b - boiling point e - high evaporation fl - flash point fr - freeze point v - viscosity — Flash point test oc = open cup cc = closed cup
**Very low water solubility, ice will form as a slush from condensation below freezing.
Table 2 Table of Various Bath Fluids