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Therminol 66 IC/FF-66
F. 700
650
600
550 !
500
450
400
350
300
t
250
200 150
100
50
0
Max. Film Temp.
... wide-range liquid phase heat transfer fluid for non-pressurized indirect heating to 650 F.
Heat transfer fluids are intended only for indirect heating purposes. Under no circumstances should this product contact or in any way contaminate food, animal feed, food products, food packaging materials, pharmaceuticals or any items which may directly or indirectly be ultimately ingested by humans. Any contact may con taminate these items to the extent that their destruction may be required. Precautions against ignitions and fires should be taken with this product.
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Monsanto
"Nothing contained herein is to be construed as a recommendation to use any product in conflict with any patent. MONSANTO MAKES NO WARRANTIES AS TO THE FITNESS OR MERCHANTABILITY OF ANY PRODUCT REFERRED TO, no guarantee of satisfactory results from reliance upon contained information oi recommendations, and disclaims all liability for any resulting loss or damage."
FUNCTIONAL PRODUCTS/Monsanto Industrial Chemicals Co. 800 North Lindbergh Blvd., St. Louis, Missouri 63166
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TOWOLDMON0032758 WATER_PCB-00017227
Tharmlno) 68...
Typical PropwUM
is a high-performance synthetic heat transfer fluid offering low-temperature pumpability (0F.) along with outstanding high-temperature performance -- up to 650CF. Therminol 66 is ideally suited to replace organic fluids which have lower boiling points and must operate under pressure at 650F.
This fluid is designed for use in non-pressurized in direct heating systems. It delivers efficient, depend able process heat with no need for high pressures, costly "extra" equipment, or continuous supervision.
Therminol 66 is not classified as a fire-resistant heat transfer fluid. Consequently, the use of protective devices may be required to minimize fire risk. The insurer of your property should be consulted relative to this matter.
To minimize fluid oxidation. Therminol 66 systems should be blanketed with an inert atmosphere. A system relief valve should also be provided.
Therminol 66 offers long service life within its recommended operating temperature range, and is non-corrosive to metals commonly used in the design of heat transfer systems.
Composition Appearance Odor Pour Point Density (g 75F. Flash Point Fire Point AIT Coefficient of Expansion Boiling Range:
\0%~ m Average Molecular Weight
Modified Terphenyl Oily liquid, practically colorless Faint, characteristic --18F. 8.35 Ibs./gal. 355F. 382F. 705DF. 0.00070 cc/cc/C.
644F. 745F. 240
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4 3
Variation* of Properties With Temperature
' \ ; ' ''i: .
Temper ature
Density
SpeeWe Heat
Thermal Conductivity
F C 0 --18
tbs. gal. 8.67
lb./ft3 64.9
Kg./m.3 1040
BTU/tb. F
0.320
Kcal./Kg. C
0.320
BTU/ft. hr F
0.0720
Koal./m. hr. C
0,1072
50 10
8.51
63.6 1020
0.350
0.350
0.0711
0.1058
100 38
8.34
62.4
1000
0.380
0.380
0.0703
0.1046
150 66
8.14
60.9
975 0.405
0.405
0.0695
0.1034
200 93
7.91
59.3
950 0.430
0.430
0.0687
0.1022
250 121
7.77
58.0
930 0.455
0.455
0.0678
0.1008
300 149
7.59
56.8
910 0.480
0.480
0.0670
0.0997
350 177
7.39
55.2
885 0.505
0.505
0.0662
0.0985
400 204
7,17
53.6
860 0.530
0.530
0.0653
0.0972
450 232
7.04
52.5
840 0.555
0.555
0.0645
0.0959
500 260
6.75
50.5
810 0.580
0.580
0.0637
0.0948
550 288
6.62
49.5
793 0.605
0.605
0.0628
0.0935
600 316
6.42
48.1
770 0.630
0.630
0.0620
0.0923
650 343
6.24
46.8
750 0.65o
0.655
0.0613
0.0912
700 371
6.09
45.6
730 0.680
0.680
0.0605
0.0900
Viscosity
lb./hr It. 150000
617 67.8 23.6 10.1 5.86 3.75 2.57 1.88 1.40 1.08 0.87 0.82 0.65 0.49
es 50000
250 28.0 10.0 4.40 2.60 1.70 1.20 0.90 0.69 0.55 0.46 0.44 0.36 0.28
Viper Pressure
mmHg. absolute Kg. em.5
0.1 -
2.0 - 20.0 50.0 100.0 200.0 350.0 760.0 1000
0.003 0.027 0.068 0.136 0.272 0.476 1.034 1.360
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TOWOLDMON0032759 WATER_PCB-00017228
Thermlnol 96-Heat Transfer Coefficients
TOWOLDMON0032760 WATER_PCB-00017229
Therminol 66-Pressure Drop
Therminol 66-Safety of Handling
Therminol 66 is virtually non-toxic and non-irritating, posing no special handling problems. It is not ab sorbed through the unbroken skin in significant quantities, is non-irritating to the skin and only mildly irritating if eye contact occurs. Immediate flushing of the eye with copious amounts of water will avoid irritation or after-effects. It is suggested that Therminol 66 be washed off the skin with soap and water as soon as possible after contact, but no serious irritation should be observed. Handled like any other industrial chemical, Therminol 66 is quite safe to store and use.
Therminol 66 vapors are not toxic, but may cause discomfort If coming off of heated fluid. There is no vapor exposure problem when transferring the fluid from its shipping container to the heat transfer system. On the other hand, vapors emitted by
Therminol 66 heated to elevated temperatures may be mildly irritating upon prolonged exposure, in heat transfer installations, the fluid is used in a closed, non-pressurized system free from leaks and with the expansion tank vent trapped so as to con dense any vapors. Consequently, there should be little or no opportunity for workers to come in contact with vapors.
While Therminol 66 poses no serious problems with respect to the environment, as a concerned supplier to industry, Monsanto urges the user to maintain a tight system, to correct leakage promptly, and to exercise care in the handling and disposal of this and all other such products. A tight maintenance program not only protects the environment, but keeps employes comfortable, the working area clean, and the system running smoothly.
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TOWOLDMON0032761 WATER_PCB-00017230
