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THERMINOL 88
HICfH TEMPERATURE HEAT TRANSFER FLUID
...for use in liquid phase between 300 and 800F
TYPICAL PROPERTIES OF THERMINOL81 88
Composition Appearance
Color Odor Melt Point
begins to soften completely liquid Flash Point Flame Point Autoignition Temperature Coefficient of Expansion Latent Heat of Fusion Molecular Weight Bolling Range
Mixed terphenyls
Crumbly wax-like flakes at room temperature. Light amber liquid above Melt Point.
Yellow to light amber Faint, pleasant
l40F (6oc) 293F (145C)
375F (191C) 46oF (238c) >1000F
0.00047 cc/cc/F
5.0-5.1 K Cal/mole 230
687-784F (364-4l8C)
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0261662
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TOWOLDMON0028530 WATER_PCB-00012999
PHYSICAL PROPERTIES - THERMINOL__ 88
Density Temp.F gm/cc
77 1.133
200
-
300 1.01
400 O.96
500 0.92
600 0.88
700 O.83
800 0.79
900 0.7^
Kinematic Viscosity
cs
_
-
1.57 0.87 0.55 0.38 0.29 0.23 0.19
Specific Heat
BTU/# F
_
0.467 0.497 0.525 0.554 0.584 0.613 0.642
Thermal Conductivity BTU/hr-ft-F
_
0.0738 0.0712 0.0686 0.0660 0.0634 0.0608 0.0581
Vapor Pressure
mm Hg
.
-
1.2 11 65 260 800 1500 3000
THERMAL DECOMPOSITION
Temperature, P
# Polymer!zed/Hr.
700 O.OOOO65 800 0.0048 900 0.32
Therminol 88 is usable with as much as 3056 polymer content which affect properties as follows:
Melt Point Plash & Flame Point,AIT Specific Gravity Viscosity Specific Heat Thermal Conductivity
293 to 276? No appreciable change + 7# at 800P +35# at 800F - 1# at 800F -13# at 800F
0261663
TOWOLDMON0028531 WATER_PCB-00013000
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TOWOLDMON0028532 WATER_PCB-00013001
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MONSANTO COMPANY
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200
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' THERMBJOL 88 . VAPOR PRESSURE
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tP" II0
140 16 0 180 200 225 250 2 5 30 0 32 5 3 "S It 0 450 500 55
TOWOLDMON0028533 WATER PCB-00013002
THERMINOL 88 Heat Transfer Correlation
This equation and j-factor plot Is adequate to approximately plus/minus 7% and was developed for polyphenyls by A.I.
HEAT TRANSFER FACTOR, j
501------------------------- ;--I---------------- 1IIIII I IIIII 10* I05 REYNOLDS NUMBER
02 t>lbbb
5x10'
TOWOLDMON0028534 WATER_PCB-00013003
THERMINOL 88 Thermodynamic Diagram While we do not propose that Thermlnol 88 be used as a vapor phase heat transfer medium, we often are requested to provide a thermo dynamic network--which appears below.
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TOWOLDMON0028535 WATER_PCB-00013004
TYPICAL ELECTRICAL PROPERTIES THERMINOL 88
Dielectric Constant at 77 F
2.58 at 60 cps
Volume Resistivity at 212F at 275P at 311P
140,000 X io9 ohm-cm 35,000 X 109 ohm-cm 550 X 109 ohm-cm
SOLUBILITY OF THERMINOL 88 IN MISCELLANEOUS SOLVENTS
Solvent
Grms.Therminol 88 per 100 ml.of solvent
25 C.
75 C.
Fuel Oil, API 36, 38 S.U.S. at 100 F............................................... Benzene......... Trichlorobenzene...................................................................................... Stoddard's Solvent................................................................................... Nitromelhane..
(See also Figs. 1 and 2.)
0.008 1.2 1.66 6.0 9.0 0.7 0.2 2.0 2.0 2.0
0.6 9.0 8.4
42.0 45.0
8.0 7.5 15.0
20.0
20.0
4/69
0261668
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TOWOLDMON0028536 WATER_PCB-00013005
SOLUBILITY OP THERMINOL 88 IN COMMON SOLVENTS
Solvent (A) 1 $k*n<B) 10
23 4 567 8
20 30 40 50 60 70 80
Grams of Therminol 88 per 100 cc. of Solvent
9 90
10 100
0261669
DER
TOWOLDMON0028537 WATER_PCB-00013006
