Industrial / Energy Fluids

XCELTHERM® TPL

Direct replacement for Hydrogenated Terphenyl based heat transfer fluids, chemically equivalent to DowthermTM RP* and Therminol® 66*. Fouling resistant synthetic for low pressure systems operating up to 650°F (343°C). Recommended for oil and gas processing, chemical manufacturing, refining operations, low pressure thermal fluid systems, bio-products, polymer and resin production and many other applications.
  • Typical Properties

    Key Temperatures
    Maximum Bulk Fluid Operating Temperature 650°F 345°C
    Maximum Film Temperature 700°F 371°C
    Flash Point (PMCC) (ASTM D93) (min) 302°F 150°C
    Flash Point (COC) (ASTM D92) (min) 363°F 184°C
    Fire Point (ASTM D92) (min) 378°F 192°C
    Autoignition Temperature (ASTM E659) (min) 705°F 374°C
    Pour Point (ASTM D97) (max) 10°F -12°C
    Pumpability, at 300 cSt 52°F 11°C
    Pumpability, at 2000 cSt 27°F -3°C
    Normal Boiling Point 678°F 359°C
    Optimum Use Temperature (min to max) 30 – 650°F 0 – 345°C
    Physical Properties
    Appearance Pale yellow liquid
    Odor Faint, Characteristic
    Composition Hydrogenated terphenyl
    Moisture Content (max) 150 ppm
    Density, at 77°F/25°C 8.40 lbs/gal 1,007 kg/m3
    Specific Gravity, at 20°C /20°C (typical & range) 1.012
    Kinematic Viscosity, at 104°F/40°C 30.5 cSt
    Kinematic Viscosity, at 212°F/100°C 4 cSt
    Coefficient of Thermal Expansion 0.000455/°F 0.000819°C
    Total Acid Number (ASTM D974) < 0.01 mg KOH/g
    Acetone Insolubles < 10mg/100ml
  • Engineering Properties

    Temperature  Viscosity  Density Specific Heat Thermal Conductivity Vapor Pressure
    °F °C cP cSt lb/ft3 Kg/m3 BTU/lb-°F J/g-K BTU/hr-°F-ft W/m-K psia Kg/cm2
    40 4 613 600 63.8 1022.2 0.361 1.513 0.0699 0.1209
    50 10 275 270 63.6 1018.2 0.3634 1.523 0.0696 0.1204
    60 16 144 142 63.3 1014.1 0.3684 1.544 0.0693 0.1199
    70 21 79.8 79 63.1 1010.1 0.3734 1.565 0.069 0.1194
    80 27 60.2 59.8 62.8 1006.1 0.3784 1.585 0.0687 0.1189
    90 32 45.1 45 62.6 1002.1 0.3834 1.606 0.0684 0.1183
    100 38 34.7 34.8 62.3 998 0.3884 1.627 0.0681 0.1178
    110 43 23.4 23.5 62 994 0.3934 1.648 0.0678 0.1173
    120 49 17.4 17.6 61.8 990 0.3984 1.669 0.0675 0.1168
    130 54 13.8 14 61.5 986 0.4034 1.69 0.0672 0.1163
    140 60 11.3 11.5 61.3 981.9 0.4084 1.711 0.0669 0.1157
    150 66 8.8 9 61 977.9 0.4134 1.732 0.0666 0.1152
    160 71 7.57 7.77 60.8 973.9 0.4184 1.753 0.0663 0.1147 0.0016 0.0001
    170 77 6.15 6.34 60.5 969.9 0.4234 1.774 0.066 0.1142 0.002 0.0001
    180 82 5.28 5.47 60.3 965.9 0.4284 1.795 0.0657 0.1137 0.0029 0.0002
    190 88 4.71 4.9 60 961.8 0.4334 1.816 0.0654 0.1131 0.0042 0.0003
    200 93 4.2 4.39 59.8 957.8 0.4384 1.837 0.0651 0.1126 0.0051 0.0004
    210 99 3.75 3.93 59.5 953.8 0.4434 1.858 0.0648 0.1121 0.0068 0.0005
    220 104 3.35 3.52 59.3 949.8 0.4484 1.879 0.0645 0.1116 0.0086 0.0006
    230 110 2.98 3.16 59 945.7 0.4534 1.9 0.0642 0.1111 0.0099 0.0007
    240 116 2.66 2.83 58.8 941.7 0.4584 1.921 0.0639 0.1105 0.014 0.001
    250 121 2.38 2.53 58.5 937.7 0.4634 1.942 0.0636 0.11 0.019 0.0013
    260 127 2.12 2.27 58.3 933.7 0.4684 1.963 0.0633 0.1095 0.023 0.0016
    270 132 1.99 2.14 58 929.6 0.4734 1.984 0.063 0.109 0.03 0.0021
    280 138 1.89 2.04 57.8 925.6 0.4784 2.004 0.0627 0.1085 0.036 0.0025
    290 143 1.79 1.94 57.5 921.6 0.4834 2.025 0.0624 0.108 0.046 0.0032
    300 149 1.69 1.85 57.3 917.6 0.4884 2.046 0.0621 0.1074 0.056 0.0039
    310 154 1.6 1.76 57 913.6 0.4934 2.067 0.0618 0.1069 0.071 0.005
    320 160 1.52 1.67 56.8 909.5 0.4984 2.088 0.0615 0.1064 0.084 0.0059
    330 166 1.44 1.59 56.5 905.5 0.5034 2.109 0.0612 0.1059 0.099 0.007
    340 171 1.36 1.51 56.3 901.5 0.5084 2.13 0.0609 0.1054 0.125 0.0088
    350 177 1.29 1.44 56 897.5 0.5134 2.151 0.0606 0.1048 0.157 0.011
    360 182 1.22 1.37 55.8 893.4 0.5184 2.172 0.0603 0.1043 0.182 0.0128
    370 188 1.16 1.3 55.5 889.4 0.5234 2.193 0.06 0.1038 0.232 0.0163
    380 193 1.1 1.24 55.3 885.4 0.5284 2.214 0.0597 0.1033 0.262 0.0184
    390 199 1.04 1.18 55 881.4 0.5334 2.235 0.0594 0.1028 0.31 0.0218
    400 204 0.982 1.12 54.8 877.4 0.5384 2.256 0.0591 0.1022 0.37 0.026
    410 210 0.93 1.07 54.5 873.3 0.5434 2.277 0.0588 0.1017 0.427 0.03
    420 216 0.881 1.01 54.3 869.3 0.5484 2.298 0.0585 0.1012 0.517 0.0363
    430 221 0.834 0.964 54 865.3 0.5534 2.319 0.0582 0.1007 0.614 0.0432
    440 227 0.79 0.917 53.8 861.3 0.5584 2.34 0.0579 0.1002 0.712 0.0501
    450 232 0.748 0.872 53.5 857.2 0.5634 2.361 0.0576 0.0996 0.85 0.0598
    460 238 0.708 0.83 53.3 853.2 0.5684 2.382 0.0573 0.0991 0.969 0.0681
    470 243 0.67 0.789 53 849.2 0.5734 2.403 0.057 0.0986 1.131 0.0795
    480 249 0.634 0.751 52.8 845.2 0.5784 2.423 0.0567 0.0981 1.3 0.0914
    490 254 0.601 0.714 52.5 841.1 0.5834 2.444 0.0564 0.0976 1.524 0.1071
    500 260 0.569 0.679 52.3 837.1 0.5884 2.465 0.0561 0.0971 1.73 0.1216
    510 266 0.538 0.646 52 833.1 0.5934 2.486 0.0558 0.0965 2.045 0.1438
    520 271 0.497 0.6 51.8 829.1 0.5984 2.507 0.0555 0.096 2.28 0.1603
    530 277 0.48 0.582 51.5 825.1 0.6034 2.528 0.0552 0.0955 2.54 0.1786
    540 282 0.457 0.557 51.3 821 0.6084 2.549 0.0549 0.095 2.97 0.2088
    550 288 0.442 0.541 51 817 0.6134 2.57 0.0546 0.0945 3.32 0.2334
    560 293 0.428 0.527 50.7 813 0.6184 2.591 0.0543 0.0939 3.84 0.27
    570 299 0.42 0.519 50.5 809 0.6234 2.612 0.054 0.0934 4.32 0.3037
    580 304 0.402 0.5 50.2 804.9 0.6284 2.633 0.0537 0.0929 4.91 0.3452
    590 310 0.385 0.481 50 800.9 0.6334 2.654 0.0534 0.0924 5.7 0.4007
    600 316 0.38 0.477 49.7 796.9 0.6384 2.675 0.0531 0.0919 6.24 0.4387
    610 321 0.366 0.462 49.5 792.9 0.6434 2.696 0.0528 0.0913 7 0.4921
    620 327 0.36 0.456 49.2 788.9 0.6484 2.717 0.0525 0.0908 7.85 0.5519
    630 332 0.349 0.445 49 784.8 0.6534 2.738 0.0522 0.0903 9 0.6327
    640 338 0.342 0.438 48.7 780.8 0.6584 2.759 0.0519 0.0898 9.81 0.6896
    650 343 0.334 0.43 48.5 776.8 0.6634 2.78 0.0516 0.0893 10.9 0.7663
    660 349 0.325 0.421 48.2 772.8 0.6684 2.801 0.0513 0.0887 12.2 0.8577
    * Data represents typical laboratory samples and are not guaranteed for all samples
    ** Enthalpy basis is liquid crystallizing point of 53.6ºF (12ºC)

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