Industrial / Energy Fluids
XCELTHERM® LV1
Biphenyl-free, non-hazardous alternative for high temp fluids with liquid or vapor phase to 700ºF (370ºC). Chemically similar to DOWTHERM™ A when used under 700ºF (370ºC). Recommended for Concentrated Solar Power Systems, PET production, Synthetic Fiber plants, Chemical Processing and many other applications that require a high temperature heat transfer fluid. (Scroll down for product details...)
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Typical Properties
Key Operating Temperatures Maximum Bulk Fluid Liquid Phase 700ºF 371ºC Vapor Phase 700ºF 371ºC Maximum Film Temperature 750ºF 400ºC Freezing/Melting Point 45°F 7.2°C Flash Point (Pensky Martens)(ASTM D93) 225°F 107°C Flash Point (COC)(ASTM D92) 252°F 122°C Fire Point (minimum)(ASTM D92) 262°F 128°C Autoignition Temperature (minimum) 1120°F 604°C Normal Boiling Point, at 760 mm Hg 496°F 258°C Crystallizing Point 45ºF 7.2ºC Physical Properties Appearance Water-white to straw yellow liquid or solid (may vary) Odor Aromatic Composition Stable mixtures of 1,1 Diphenylethane and Diphenyl Oxide Flash Point (minimum) 251ºF 122ºC Fire Point (minimum) 263ºF 128ºC Autoignition Temperature (minimum) 1120ºF 604ºC Normal Boiling Point@760mm Hg 496ºF 258ºC Critical Temperature 931ºF 500ºC Critical Pressure 443.2 psia Critical Volume 0.0516 ft3/lb Moisture Content (maximum) 300 ppm Density @ 77ºF/25ºC 8.84 lbs/gal Specific Gravity @ 77ºF/25ºC 1.060 Average Molecular Weight 171.9 g/mol Heat of Vaporization, at Maximum Use Temperature 276.8 kJ/kg (119 BTU/lb) Heat of Fusion 23.3 cal/g * Data represents typical laboratory samples and are not guaranteed for all samples. -
Engineering Properties
Liquid Phase Temperature
Viscosity
Density
Specific Heat
Thermal Conductivity
Enthalpy (Liquid)
Vapor Pressure
ºF
ºC
mm2/s (cSt)
cP
lb/ft3
kg/m3
BTU/lb-°F
J/g-K
BTU/ft-hr-°F
W/m-K
BTU/lb
J/g
psia
kg/cm2
45
7.2
7.835
8.416
67.05
1074.20
0.366
1.532
0.0793
0.1372
0.0
0.0
–
–
55
12.8
6.681
7.146
66.76
1069.56
0.370
1.547
0.0790
0.1367
3.7
8.5
0.0001
0.0000
60
15.6
6.170
6.585
66.62
1067.24
0.372
1.555
0.0788
0.1364
5.5
12.9
0.0001
0.0000
80
26.7
4.487
4.747
66.04
1057.97
0.380
1.589
0.0781
0.1352
13.0
30.3
0.0004
0.0000
100
37.8
3.263
3.422
65.46
1048.70
0.388
1.623
0.0775
0.1341
20.7
48.2
0.0010
0.0001
120
48.9
2.520
2.619
64.88
1039.43
0.396
1.656
0.0768
0.1329
28.6
66.4
0.0024
0.0002
140
60.0
2.048
2.110
64.30
1030.15
0.403
1.686
0.0761
0.1317
36.5
84.9
0.0055
0.0004
160
71.1
1.712
1.748
63.73
1020.88
0.411
1.720
0.0753
0.1304
44.7
103.8
0.0119
0.0008
180
82.2
1.461
1.478
63.15
1011.61
0.418
1.750
0.0745
0.1289
52.9
123.0
0.2380
0.0017
200
93.3
1.274
1.277
62.57
1002.34
0.426
1.784
0.0738
0.1276
61.4
142.7
0.0453
0.0032
220
104.4
1.121
1.113
61.99
993.06
0.433
1.814
0.0729
0.1262
69.9
162.5
0.0819
0.0058
240
115.6
0.100
0.098
61.41
983.79
0.441
1.847
0.0721
0.1248
78.7
182.9
0.1420
0.0100
260
126.7
0.895
0.872
60.83
974.52
0.449
1.877
0.0713
0.1233
87.6
203.5
0.2371
0.0167
280
137.8
0.810
0.782
60.25
965.25
0.456
1.907
0.0704
0.1218
96.6
224.4
0.3813
0.0268
300
148.9
0.737
0.705
59.67
955.97
0.464
1.941
0.0694
0.1202
105.8
245.9
0.5937
0.0417
320
160.0
0.660
0.625
59.09
946.70
0.471
1.971
0.0685
0.1186
115.1
267.4
0.8983
0.0632
340
171.1
0.597
0.560
58.52
937.43
0.478
2.001
0.0676
0.1170
124.5
289.4
1.3255
0.0932
360
182.2
0.540
0.501
57.94
928.16
0.485
2.031
0.0667
0.1154
134.1
311.6
1.9126
0.1345
380
193.3
0.489
0.449
57.36
918.88
0.492
2.061
0.0657
0.1137
143.8
334.2
2.7052
0.1902
400
204.4
0.442
0.402
56.78
909.61
0.500
2.091
0.0647
0.1120
153.7
357.1
3.7582
0.2642
420
215.6
0.422
0.380
56.20
900.34
0.507
2.121
0.0637
0.1103
163.7
380.3
5.0923
0.3580
440
226.7
0.394
0.351
55.62
891.07
0.515
2.155
0.0626
0.1084
174.0
404.3
6.8153
0.4792
460
237.8
0.369
0.325
55.04
881.79
0.521
2.181
0.0615
0.1065
184.1
427.8
8.9813
0.6315
480
248.9
0.346
0.302
54.46
872.52
0.529
2.215
0.0605
0.1046
194.7
452.5
11.6262
0.8174
500
260.0
0.326
0.281
53.89
863.25
0.536
2.245
0.0594
0.1028
205.3
477.1
14.8938
1.0472
520
271.1
0.316
0.270
53.31
853.97
0.544
2.275
0.0583
0.1009
216.0
502.0
18.9744
1.3341
540
282.2
0.301
0.254
52.73
844.70
0.551
2.305
0.0571
0.0989
226.9
527.3
23.4278
1.6472
560
293.3
0.287
0.240
52.15
835.43
0.558
2.335
0.0559
0.0968
237.9
552.9
29.4791
2.0727
580
304.4
0.274
0.226
51.57
826.16
0.565
2.365
0.0548
0.0948
249.1
578.8
36.1528
2.5419
600
315.6
0.261
0.213
50.99
816.88
0.572
2.395
0.0535
0.0926
260.4
605.1
43.9759
3.0919
620
326.7
0.250
0.202
50.41
807.61
0.580
2.429
0.0523
0.0905
272.1
632.3
53.0235
3.7281
640
337.8
0.240
0.192
49.83
798.34
0.588
2.459
0.0510
0.0883
283.7
659.2
63.4136
4.4586
660
348.9
0.231
0.182
49.26
789.07
0.596
2.492
0.0498
0.0862
295.7
687.1
75.3070
5.2948
680
360.0
0.222
0.173
48.68
779.79
0.604
2.526
0.0486
0.0840
307.8
715.4
88.9551
6.2544
700
371.1
0.214
0.165
48.10
770.52
0.612
2.559
0.0472
0.0818
320.1
744.0
103.7129
7.2921
Vapor Phase Temperature
Viscosity
Density
Specific Heat
Thermal Conductivity
Latent Heat of
Vaporization
Enthalpy†
ºF
ºC
cP
lb/ft3
kg/m3
BTU/lb-°F
J/g-K
BTU/ft-hr-°F
W/m-K
BTU/lb
J/g
BTU/lb
J/g
45
7.2
0.0076
–
–
0.2319
0.5389
0.0099
0.0172
177.8
413.2
177.8
413.2
55
12.8
0.0078
–
–
0.2360
0.5484
0.0093
0.0160
176.8
410.9
180.5
419.4
60
15.6
0.0079
–
–
0.2381
0.5533
0.0093
0.0161
176.2
409.6
181.8
422.4
80
26.7
0.0083
–
–
0.2466
0.5732
0.0093
0.0162
173.9
404.1
186.9
434.4
100
37.8
0.0087
–
–
0.2551
0.5929
0.0095
0.0164
171.5
398.5
192.2
446.6
120
48.9
0.0091
0.0001
0.0011
0.2636
0.6126
0.0095
0.0165
169.1
393.0
197.7
459.4
140
60.0
0.0095
0.0001
0.0024
0.2720
0.6321
0.0097
0.0167
166.7
387.5
203.3
472.4
160
71.1
0.0099
0.0003
0.0049
0.2804
0.6516
0.0098
0.0170
164.4
382.0
209.0
485.8
180
82.2
0.0103
0.0006
0.0095
0.2887
0.6710
0.0100
0.0172
162.0
376.5
214.9
499.5
200
93.3
0.0107
0.0011
0.0175
0.2970
0.6903
0.0101
0.0175
159.6
371.0
221.0
513.7
220
104.4
0.0111
0.0019
0.0308
0.3053
0.7095
0.0102
0.0177
157.4
365.7
227.0
528.2
240
115.6
0.0115
0.0032
0.0519
0.3135
0.7287
0.0104
0.0180
155.6
361.6
234.3
544.5
260
126.7
0.0119
0.0053
0.0842
0.3217
0.7477
0.0105
0.0182
153.0
355.7
240.6
559.2
280
137.8
0.0123
0.0082
0.1318
0.3299
0.7667
0.0108
0.0186
151.0
350.9
247.6
575.3
300
148.9
0.0127
0.0125
0.1997
0.3380
0.7856
0.0109
0.0189
148.7
345.6
254.5
591.5
320
160.0
0.0131
0.0184
0.2944
0.3461
0.8044
0.0112
0.0193
146.5
340.5
261.6
607.9
340
171.1
0.0135
0.0264
0.4236
0.3542
0.8231
0.0113
0.0196
144.2
335.1
268.7
624.5
360
182.2
0.0139
0.0372
0.5963
0.3622
0.8417
0.0115
0.0200
141.9
329.8
276.0
641.4
380
193.3
0.0143
0.0514
0.8234
0.3702
0.8602
0.0118
0.0204
139.6
324.4
283.4
658.6
400
204.4
0.0147
0.0697
1.1172
0.3781
0.8787
0.0120
0.0208
137.4
319.3
291.0
676.4
420
215.6
0.0151
0.0923
1.4794
0.3860
0.8970
0.0123
0.0214
135.1
313.9
298.7
694.2
440
226.7
0.0155
0.1208
1.9360
0.3939
0.9153
0.0126
0.0218
132.8
308.5
306.7
712.8
460
237.8
0.0159
0.1558
2.4958
0.4017
0.9335
0.0128
0.0222
130.4
303.2
316.5
735.7
480
248.9
0.0163
0.1974
3.1620
0.4095
0.9516
0.0132
0.0228
128.1
297.8
322.8
750.3
500
260.0
0.0167
0.2476
3.9663
0.4172
0.9696
0.0134
0.0232
125.9
292.6
331.2
769.7
520
271.1
0.0171
0.3090
4.9498
0.4249
0.0988
0.0137
0.0238
123.6
287.2
339.6
789.2
540
282.2
0.0175
0.3739
5.9893
0.4326
1.0054
0.0141
0.2430
121.3
281.8
348.2
809.1
560
293.3
0.0179
0.4612
7.3885
0.4403
1.0232
0.0144
0.0249
118.9
276.4
356.8
829.3
580
304.4
0.0183
0.5547
8.8868
0.4479
1.0409
0.0147
0.0255
116.6
271.0
365.7
849.8
600
315.6
0.0187
0.6620
10.6058
0.4554
1.0585
0.0150
0.0260
114.4
265.8
374.7
870.9
620
326.7
0.0191
0.7835
12.5510
0.4630
1.0760
0.0154
0.0266
111.5
259.2
383.6
891.5
640
337.8
0.0195
0.9199
14.7374
0.4705
1.0934
0.0158
0.0273
108.3
251.8
392.0
911.0
660
348.9
0.0199
1.0730
17.1888
0.4779
1.1107
0.0161
0.0279
105.1
244.4
400.8
931.5
680
360.0
0.0203
1.2452
19.9476
0.4854
1.1280
0.0165
0.0286
102.0
237.0
409.8
952.3
700
371.1
0.0207
1.4267
22.8559
0.4927
1.1451
0.0169
0.0293
98.8
229.5
418.9
973.5
* Data represents typical laboratory samples and are not guaranteed for all samples** Enthalpy basis is liquid crystallizing point of 53.6ºF (12ºC)