Industrial / Energy Fluids

XCELTHERM® XT

High efficiency heating/cooling fluid with -70ºF to 650ºF range (-55ºC to 345ºC); liquid or vapor phase, 527ºF (275ºC) IPB. Recommended for natural gas processing, solvent recovery units, chemical processing and many other applications. Expecially useful when a high heat transfer coefficient is desired across a broad temperature range.
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  • Typical Properties

    Key Operating Temperatures
    Maximum Bulk Fluid Operating Temperature 650ºF 343ºC
    Maximum Film Temperature 700ºF 371ºC
    Flash Point (PMCC)(ASTM D93)(min) 244°F 118°C
    Flash Point (COC)(ASTM D92)(min) 268°F 132°C
    Fire Point (ASTM D92)(min) 291°F 144°C
    Autoignition Temperature (min) 803°F 428°C
    Pumpability, at 300 cSt (mm2/s) -81°F -63°C
    Normal Boiling Point, 10% Fraction 522°F 272°C
    Physical Properties
    Appearance Water white to straw yellow, clear liquid
    Odor Mild
    Composition Radco-engineered alkyl aromatic
    Critical Pressure 23.7 atm 2.5 MPa
    Average Molecular Weight 182 g/mol Weight
    Moisture Content (max) 300 ppm
    Density, at 77°F/25°C 8.35 lbs/gal 1,001 kg/m3
    Specific Gravity, at 77°F/25°C 0.99
    * Data represents typical laboratory samples and are not guaranteed for all samples.

  • Engineering Properties

    Temperature Viscosity Density Specific Heat Thermal Conductivity Vapor Pressure
    °F °C cSt cP lb/ft3 kg/m3 BTU/lb-°F J/g-K BTU/ft-hr-°F W/m-K psia kg/cm2
    -50 -45.6 110 115 64.74 1044 0.3582 1.500 0.0842 0.1457 - -
    0 -17.8 17.5 17.9 63.50 1024 0.3788 1.586 0.0810 0.1402 - -
    10 -12.2 13.6 13.9 63.25 1020 0.3829 1.603 0.0804 0.1390 - -
    20 -6.7 10.1 10.3 63.00 1016 0.3870 1.620 0.0797 0.1379 - -
    30 -1.1 8.81 8.91 62.76 1012 0.3911 1.638 0.0791 0.1368 - -
    40 4.4 7.11 7.16 62.51 1008 0.3953 1.655 0.0785 0.1357 - -
    50 10.0 5.95 5.98 62.26 1004 0.3994 1.672 0.0778 0.1346 - -
    60 15.6 5.03 5.03 62.01 1000 0.4035 1.689 0.0772 0.1335 - -
    70 21.1 4.26 4.25 61.77 996.2 0.4076 1.707 0.0765 0.1324 - -
    80 26.7 3.69 3.66 61.52 992.2 0.4117 1.724 0.0759 0.1313 - -
    90 32.2 3.25 3.21 61.27 988.2 0.4158 1.741 0.0753 0.1302 0.0000 0.0000
    100 37.8 2.92 2.88 61.02 984.2 0.4199 1.758 0.0746 0.1290 0.0001 0.0000
    110 43.3 2.59 2.54 60.77 980.2 0.4241 1.775 0.0740 0.1279 0.0001 0.0000
    120 48.9 2.32 2.26 60.53 976.2 0.4282 1.793 0.0733 0.1268 0.0003 0.0000
    130 54.4 2.09 2.03 60.28 972.2 0.4323 1.810 0.0727 0.1257 0.0006 0.0000
    140 60.0 1.90 1.84 60.03 968.2 0.4364 1.827 0.0720 0.1246 0.0010 0.0001
    150 65.6 1.74 1.68 59.78 964.2 0.4405 1.844 0.0714 0.1235 0.0018 0.0001
    160 71.1 1.60 1.54 59.54 960.2 0.4446 1.862 0.0708 0.1224 0.0030 0.0002
    170 76.7 1.48 1.42 59.29 956.2 0.4487 1.879 0.0701 0.1213 0.0048 0.0003
    180 82.2 1.38 1.31 59.04 952.2 0.4528 1.896 0.0695 0.1202 0.0074 0.0005
    190 87.8 1.28 1.22 58.79 948.3 0.4570 1.913 0.0688 0.1190 0.0111 0.0008
    200 93.3 1.20 1.13 58.54 944.3 0.4611 1.930 0.0682 0.1179 0.0223 0.0016
    210 98.9 1.13 1.06 58.30 940.3 0.4652 1.948 0.0675 0.1168 0.0309 0.0022
    220 104.4 1.06 0.991 58.05 936.3 0.4693 1.965 0.0669 0.1157 0.0423 0.0030
    230 110.0 0.994 0.926 57.80 932.3 0.4734 1.982 0.0663 0.1146 0.0570 0.0040
    240 115.6 0.935 0.868 57.55 928.3 0.4775 1.999 0.0656 0.1135 0.0759 0.0053
    250 121.1 0.883 0.816 57.30 924.3 0.4816 2.017 0.0650 0.1124 0.0998 0.0070
    260 126.7 0.835 0.768 57.06 920.3 0.4858 2.034 0.0643 0.1113 0.1299 0.0091
    270 132.2 0.791 0.724 56.81 916.3 0.4899 2.051 0.0637 0.1102 0.1674 0.0118
    280 137.8 0.751 0.685 56.56 912.3 0.4940 2.068 0.0630 0.1090 0.2137 0.0150
    290 143.3 0.710 0.644 56.31 908.3 0.4981 2.085 0.0624 0.1079 0.2705 0.0190
    300 148.9 0.681 0.615 56.07 904.3 0.5022 2.103 0.0618 0.1068 0.3397 0.0239
    310 154.4 0.650 0.585 55.82 900.3 0.5063 2.120 0.0611 0.1057 0.4233 0.0298
    320 160.0 0.619 0.555 55.57 896.3 0.5104 2.137 0.0605 0.1046 0.5239 0.0368
    330 165.6 0.591 0.528 55.32 892.3 0.5146 2.154 0.0598 0.1035 0.6442 0.0453
    340 171.1 0.565 0.502 55.07 888.3 0.5187 2.172 0.0592 0.1024 0.7872 0.0553
    350 176.7 0.541 0.479 54.83 884.3 0.5228 2.189 0.0585 0.1013 0.9563 0.0672
    360 182.2 0.519 0.457 54.58 880.3 0.5269 2.206 0.0579 0.1002 1.1554 0.0812
    370 187.8 0.498 0.437 54.33 876.3 0.5310 2.223 0.0573 0.0990 1.3889 0.0976
    380 193.3 0.478 0.417 54.08 872.3 0.5351 2.240 0.0566 0.0979 1.6612 0.1168
    390 198.9 0.460 0.400 53.84 868.3 0.5392 2.258 0.0560 0.0968 1.9777 0.1390
    400 204.4 0.442 0.382 53.59 864.3 0.5433 2.275 0.0553 0.0957 2.3441 0.1648
    410 210.0 0.426 0.367 53.34 860.3 0.5475 2.292 0.0547 0.0946 2.7668 0.1945
    420 215.6 0.411 0.352 53.09 856.3 0.5516 2.309 0.0541 0.0935 3.2527 0.2287
    430 221.1 0.399 0.340 52.84 852.3 0.5557 2.327 0.0534 0.0924 3.8095 0.2678
    440 226.7 0.384 0.326 52.60 848.3 0.5598 2.344 0.0528 0.0913 4.4453 0.3125
    450 232.2 0.372 0.314 52.35 844.3 0.5639 2.361 0.0521 0.0902 5.1692 0.3634
    460 237.8 0.360 0.303 52.10 840.3 0.5680 2.378 0.0515 0.0890 5.9913 0.4212
    470 243.3 0.349 0.292 51.85 836.3 0.5721 2.395 0.0508 0.0879 6.9219 0.4867
    480 248.9 0.338 0.282 51.61 832.3 0.5763 2.413 0.0502 0.0868 7.9728 0.5605
    490 254.4 0.328 0.272 51.36 828.4 0.5804 2.430 0.0496 0.0857 9.1566 0.6438
    500 260.0 0.319 0.263 51.11 824.4 0.5845 2.447 0.0489 0.0846 10.4869 0.7373
    510 265.6 0.314 0.258 50.86 820.4 0.5886 2.464 0.0483 0.0835 11.9780 0.8421
    520 271.1 0.307 0.251 50.61 816.4 0.5927 2.482 0.0476 0.0824 13.6461 0.9594
    530 276.7 0.301 0.245 50.37 812.4 0.5968 2.499 0.0470 0.0813 15.5078 1.0903
    540 282.2 0.295 0.239 50.12 808.4 0.6009 2.516 0.0463 0.0802 17.5814 1.2361
    550 287.8 0.289 0.233 49.87 804.4 0.6050 2.533 0.0457 0.0790 19.8864 1.3981
    560 293.3 0.284 0.227 49.62 800.4 0.6092 2.550 0.0451 0.0779 22.4438 1.5780
    570 298.9 0.278 0.222 49.38 796.4 0.6133 2.568 0.0444 0.0768 25.2758 1.7771
    580 304.4 0.273 0.216 49.13 792.4 0.6174 2.585 0.0438 0.0757 28.4064 1.9972
    590 310.0 0.268 0.211 48.88 788.4 0.6215 2.602 0.0431 0.0746 31.8612 2.2401
    600 315.6 0.263 0.206 48.63 784.4 0.6256 2.619 0.0425 0.0735 35.6671 2.5076
    610 321.1 0.258 0.201 48.38 780.4 0.6297 2.637 0.0418 0.0724 39.8534 2.8020
    620 326.7 0.252 0.196 48.14 776.4 0.6338 2.654 0.0412 0.0713 44.4508 3.1252
    630 332.2 0.247 0.191 47.89 772.4 0.6380 2.671 0.0406 0.0702 49.4918 3.4796
    640 337.8 0.242 0.186 47.64 768.4 0.6421 2.688 0.0399 0.0690 55.0116 3.8677
    650 343.3 0.237 0.181 47.39 764.4 0.6462 2.705 0.0393 0.0679 61.0466 4.2920
    * Data represents typical laboratory samples and are not guaranteed for all samples
    ** Enthalpy basis is liquid crystallizing point of 53.6ºF (12ºC)