Industrial / Energy Fluids

XCELTHERM® 315

Economical synthetic thermal oil rated to 550ºF (288ºC) with very high resistance to oxidation as well as high resistance to sludge and fouling.
  • Typical Properties

    Key Operating Temperatures  
    Maximum Bulk Fluid Operating Temperature550°F290°C
    Maximum Film Temperature600°F315°C
    Flash Point (COC)(ASTM D92)≥ 356°F≥ 180°C
    Autoignition Temperature (Minimum)626°F330°C
    Pour Point (ASTM D97)≤ -40°F≤ -40°C
    Pumpability, at 300 mm2/s (cSt)17°F-8°C
    Physical Properties  
    CompositionRadco-engineered alkyl aromatic 
    OdorBland 
    AppearanceBright, clear yellow 
    Kinematic Viscosity at 40°C (104°F)17.0 cSt - 21.0 cSt 
    Kinematic Viscosity at 100°C (212°F)3.25 cSt - 3.95 cSt 
    Moisture Content (maximum)100 ppm 
    Specific Gravity at 25°C/25°C (77°C/77°C)0.79 - 0.89 (typical = 0.86) 
    * 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
    -20 -29 2100.000 1901.079 56.5 905.1 0.414 1.73 0.0775 0.134
    0 -18 683.000 613.390 56.0 897.1 0.423 1.77 0.077 0.133
    20 -7 265.000 235.767 55.5 889.1 0.433 1.81 0.076 0.132
    40 4 119.500 105.458 55.1 882.7 0.442 1.85 0.075 0.130
    60 16 60.700 53.094 54.6 874.7 0.453 1.90 0.075 0.129
    80 27 34.100 29.566 54.1 866.7 0.461 1.93 0.074 0.128
    100 38 20.800 17.875 53.7 860.3 0.471 1.97 0.073 0.127
    120 49 13.570 11.557 53.2 852.3 0.481 2.01 0.072 0.125
    140 60 9.390 7.925 52.7 844.3 0.490 2.05 0.072 0.124
    160 71 6.820 5.704 52.3 837.8 0.500 2.09 0.071 0.123
    180 82 5.150 4.268 51.8 829.8 0.509 2.13 0.070 0.121 0.002 0.0001
    200 93 4.030 3.309 51.3 821.8 0.519 2.17 0.069 0.120 0.003 0.0002
    220 104 3.240 2.635 50.9 815.4 0.528 2.21 0.069 0.119 0.006 0.0004
    240 116 2.670 2.151 50.4 807.4 0.538 2.25 0.068 0.118 0.010 0.0007
    260 127 2.250 1.795 49.9 799.4 0.547 2.29 0.067 0.116 0.017 0.0012
    280 138 1.924 1.521 49.4 791.4 0.557 2.33 0.066 0.115 0.029 0.0020
    300 149 1.672 1.309 49.0 785.0 0.566 2.37 0.066 0.114 0.046 0.0032
    320 160 1.471 1.140 48.5 777.0 0.576 2.41 0.065 0.112 0.073 0.0051
    340 171 1.307 1.003 48.0 769.0 0.585 2.45 0.064 0.111 0.112 0.0079
    360 182 1.173 0.891 47.5 761.0 0.595 2.49 0.063 0.110 0.168 0.0118
    380 193 1.060 0.797 47.0 752.9 0.605 2.53 0.063 0.109 0.248 0.0174
    400 204 0.964 0.717 46.5 744.9 0.614 2.57 0.062 0.107 0.360 0.0253
    420 216 0.882 0.650 46.0 736.9 0.624 2.61 0.061 0.106 0.515 0.0362
    440 227 0.810 0.590 45.5 728.9 0.633 2.65 0.060 0.105 0.724 0.0509
    460 238 0.747 0.539 43.9 703.3 0.643 2.69 0.060 0.103 1.000 0.0703
    480 249 0.691 0.493 43.4 695.3 0.652 2.73 0.059 0.102 1.370 0.0963
    500 260 0.641 0.452 42.8 685.7 0.662 2.77 0.058 0.101 1.850 0.1301
    520 271 0.596 0.416 43.4 695.3 0.671 2.81 0.058 0.100 2.470 0.1737
    540 282 0.555 0.383 42.8 685.7 0.681 2.85 0.057 0.098 3.270 0.2299
    560 293 0.518 0.354 42.3 677.6 0.690 2.89 0.056 0.097 4.270 0.3002
    * 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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