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...)
  • 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)

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