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

    XCELTHERM® TPL – Engineering Properties

    Fouling resistant synthetic for low pressure systems operating up to 650°F (345°C)

    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 0.4616 1.931 0.0678 0.1173

    50 10 275 270 63.6 1018.2 0.4660 1.950 0.0675 0.1168

    60 16 144 142 63.3 1014.1 0.4704 1.968 0.0672 0.1163

    70 21 79.8 79.0 63.1 1010.1 0.4748 1.986 0.0670 0.1158

    80 27 60.2 59.8 62.8 1006.1 0.4791 2.005 0.0667 0.1153 0.0006 0.0000
    90 32 45.1 45.0 62.6 1002.1 0.4835 2.023 0.0664 0.1148 0.0007 0.0001
    100 38 34.7 34.8 62.3 998.0 0.4879 2.041 0.0661 0.1143 0.0009 0.0001
    110 43 23.4 23.5 62.0 994.0 0.4923 2.060 0.0658 0.1138 0.0011 0.0001
    120 49 17.4 17.6 61.8 990.0 0.4967 2.078 0.0655 0.1133 0.0014 0.0001
    130 54 13.8 14.0 61.5 986.0 0.5010 2.096 0.0652 0.1128 0.0018 0.0001
    140 60 11.3 11.5 61.3 981.9 0.5054 2.115 0.0649 0.1123 0.0022 0.0002
    150 66 8.80 9.00 61.0 977.9 0.5098 2.133 0.0646 0.1118 0.0028 0.0002
    160 71 7.57 7.77 60.8 973.9 0.5142 2.151 0.0644 0.1113 0.0035 0.0002
    170 77 6.15 6.34 60.5 969.9 0.5186 2.170 0.0641 0.1108 0.0044 0.0003
    180 82 5.28 5.47 60.3 965.9 0.5230 2.188 0.0638 0.1103 0.0055 0.0004
    190 88 4.71 4.90 60.0 961.8 0.5273 2.206 0.0635 0.1098 0.0068 0.0005
    200 93 4.20 4.39 59.8 957.8 0.5317 2.225 0.0632 0.1093 0.0085 0.0006
    210 99 3.75 3.93 59.5 953.8 0.5361 2.243 0.0629 0.1088 0.0107 0.0007
    220 104 3.35 3.52 59.3 949.8 0.5405 2.261 0.0626 0.1083 0.0129 0.0009
    230 110 2.98 3.16 59.0 945.7 0.5449 2.280 0.0623 0.1078 0.0161 0.0011
    240 116 2.66 2.83 58.8 941.7 0.5492 2.298 0.0620 0.1073 0.0201 0.0014
    250 121 2.38 2.53 58.5 937.7 0.5536 2.316 0.0617 0.1068 0.0251 0.0018
    260 127 2.12 2.27 58.3 933.7 0.5580 2.335 0.0615 0.1063 0.0313 0.0022
    270 132 1.99 2.14 58.0 929.6 0.5624 2.353 0.0612 0.1058 0.0391 0.0027
    280 138 1.89 2.04 57.8 925.6 0.5668 2.371 0.0609 0.1053 0.0488 0.0034
    290 143 1.79 1.94 57.5 921.6 0.5712 2.390 0.0606 0.1048 0.0609 0.0043
    300 149 1.69 1.85 57.3 917.6 0.5755 2.408 0.0603 0.1043 0.0760 0.0053
    310 154 1.60 1.76 57.0 913.6 0.5799 2.426 0.0600 0.1038 0.0949 0.0067
    320 160 1.52 1.67 56.8 909.5 0.5843 2.445 0.0597 0.1033 0.1185 0.0083
    330 166 1.44 1.59 56.5 905.5 0.5887 2.463 0.0594 0.1028 0.1479 0.0104
    340 171 1.36 1.51 56.3 901.5 0.5931 2.481 0.0591 0.1023 0.1845 0.0130
    350 177 1.29 1.44 56.0 897.5 0.5974 2.500 0.0589 0.1018 0.2303 0.0162
    360 182 1.22 1.37 55.8 893.4 0.6018 2.518 0.0586 0.1013 0.2875 0.0202
    370 188 1.16 1.30 55.5 889.4 0.6062 2.536 0.0583 0.1008 0.3588 0.0252
    380 193 1.10 1.24 55.3 885.4 0.6106 2.555 0.0580 0.1003 0.4479 0.0315
    390 199 1.04 1.18 55.0 881.4 0.6150 2.573 0.0577 0.0998 0.5590 0.0393
    400 204 0.982 1.12 54.8 877.4 0.6194 2.591 0.0574 0.0993 0.7038 0.0495
    410 210 0.930 1.07 54.5 873.3 0.6237 2.610 0.0571 0.0988 0.8064 0.0567
    420 216 0.881 1.01 54.3 869.3 0.6281 2.628 0.0568 0.0983 0.9240 0.0650
    430 221 0.834 0.964 54.0 865.3 0.6325 2.646 0.0565 0.0978 1.0587 0.0744
    440 227 0.790 0.917 53.8 861.3 0.6369 2.665 0.0563 0.0973 1.2131 0.0853
    450 232 0.748 0.872 53.5 857.2 0.6413 2.683 0.0560 0.0968 1.4431 0.1015
    460 238 0.708 0.830 53.3 853.2 0.6456 2.701 0.0557 0.0963 1.6434 0.1155
    470 243 0.670 0.789 53.0 849.2 0.6500 2.720 0.0554 0.0958 1.8716 0.1316
    480 249 0.634 0.751 52.8 845.2 0.6544 2.738 0.0551 0.0953 2.1354 0.1501
    490 254 0.601 0.714 52.5 841.1 0.6588 2.756 0.0548 0.0948 2.4467 0.1720
    500 260 0.569 0.679 52.3 837.1 0.6632 2.775 0.0545 0.0943 2.8035 0.1971
    510 266 0.538 0.646 52.0 833.1 0.6676 2.793 0.0542 0.0938 3.2123 0.2258
    520 271 0.497 0.600 51.8 829.1 0.6719 2.811 0.0539 0.0933 3.6806 0.2588
    530 277 0.480 0.582 51.5 825.1 0.6763 2.830 0.0537 0.0928 4.2173 0.2965
    540 282 0.457 0.557 51.3 821.0 0.6807 2.848 0.0534 0.0923 4.9945 0.3512
    550 288 0.442 0.541 51.0 817.0 0.6851 2.866 0.0531 0.0918 5.4528 0.3834
    560 293 0.428 0.527 50.7 813.0 0.6895 2.885 0.0528 0.0913 5.9530 0.4185
    570 299 0.420 0.519 50.5 809.0 0.6938 2.903 0.0525 0.0908 6.4992 0.4569
    580 304 0.402 0.500 50.2 804.9 0.6982 2.921 0.0522 0.0903 7.0955 0.4989
    590 310 0.385 0.481 50.0 800.9 0.7026 2.940 0.0519 0.0898 7.7464 0.5446
    600 316 0.380 0.477 49.7 796.9 0.7070 2.958 0.0516 0.0893 8.4571 0.5946
    610 321 0.366 0.462 49.5 792.9 0.7114 2.976 0.0513 0.0888 9.2330 0.6491
    620 327 0.360 0.456 49.2 788.9 0.7158 2.995 0.0511 0.0883 10.0801 0.7087
    630 332 0.349 0.445 49.0 784.8 0.7201 3.013 0.0508 0.0878 11.0049 0.7737
    640 338 0.342 0.438 48.7 780.8 0.7245 3.031 0.0505 0.0873 12.0146 0.8447
    650 343 0.334 0.430 48.5 776.8 0.7289 3.050 0.0502 0.0868 13.1169 0.9222
    660 349 0.325 0.421 48.2 772.8 0.7333 3.068 0.0499 0.0863 14.3203 1.0068
    * Data represents typical laboratory samples and are not guaranteed for all samples
Heat Transfer Fluids

Heat Transfer Fluids

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