Therminol VP-1 Vapor
Phase/Liquid Phase
Heat Transfer Fluid
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Product Bulletin
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Therminol VP-1 heat transfer fluid is a synthetic heat
transfer fluid designed to meet the demanding requirements of vapor phase systems from
257° C - 400° C or liquid phase systems from 12° C - 400° C. Performance features of
Therminol VP-1 include:
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- Superb Heat Transfer Properties - Therminol VP-1 is a synthetic heat
transfer fluid which combines exceptional thermal stability and low viscosity for efficient,
dependable, uniform performance in a wide optimum use range of 12° C - 400° C.
Therminol VP-1 has the highest thermal stability of all
organic heat transfer fluids.
- Vapor Phase Heat Transfer Fluid - Therminol VP-1 is a eutectic mixture
of 73.5% diphenyl oxide (DPO) and 26.5% biphenyl. It can be used as a liquid heat transfer fluid
or as a boiling-condensing heat transfer medium up to its maximum use temperature. It is
miscible and interchangeable (for top-up or design purposes) with other similarly
constituted diphenyl-oxide (DPO)/biphenyl fluids.
- Low Viscosity - Therminol VP-1 has a low viscosity to 12° C.
Because of its crystallization point of 12° C, this fluid may require tracing in colder climates to avoid operational problems.
- Temperature Control - Due to its ability to operate as a vapor phase
heat transfer fluid, Therminol VP-1 is superb for use in heat transfer fluid systems
requiring very precise temperature control.
Therminol VP-1 is used in a wide variety of industries, such as:
- Fibers/Nylon manufacture
- Chemicals
For more information on Therminol
VP-1 systems and applications
e-mail us or contact your
local sales representative.
Click here to download the product bulletin containing detailed physical and transport properties for Therminol VP-1.
Therminol® VP-1
Vapor Phase/Liquid Phase Heat Transfer Fluid
Liquid Use Range 12 °C to 400 °C (54 °F to 750 °F)
Vapor Use Range 260 °C to 400 °C (495 °F to 750 °F)
| Appearance |
Clear, water white liquid |
| Composition |
Biphenyl/diphenyl oxide (DPO) eutectic mixture |
| Crystallizing Point |
12 °C (54 °F) |
| Moisture Content |
300 ppm |
| Flash Point (ASTM D-92) |
124 °C (255 °F) |
| Fire Point (ASTM D-92) |
127 °C (260 °F) |
| Autoignition Temperature (ASTM D-2155) |
621 °C (1150 °F) |
| Kinematic Viscosity, at 40 °C |
2.48 cSt |
| Kinematic Viscosity, at 100 °C |
0.99 cSt |
| Density at 25 °C |
1060 kg/m3 (8.85 lb/gal) |
| Specific Gravity (60 °F/60 °F) |
1.069 |
| Coefficient of Thermal Expansion at 200 °C |
0.000979/°C (0.000544/°F) |
| Volume Contraction Upon Freezing |
6.27% |
| Volume Expansion Upon Melting |
6.69% |
| Surface Tension in Air at 25 °C |
36.6 dyn/cm |
| Specific Resistivity at 20 °C |
6.4 x 10^11 ohm-cm |
| Average Molecular Weight |
166 |
| Heat of Fusion |
97.3 kJ/kg (41.8 Btu/lb) |
| Minimum Vapor Temperatures for |
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Fully Developed Turbulent Flow (Re = 10000)
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10 ft/sec, 1-in tube
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208 °C (406 °F) |
20 ft/sec, 1-in tube
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181 °C (358 °F) |
Transition Region Flow (Re=2000)
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10 ft/sec, 1-in tube
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151 °C (304 °F) |
20 ft/sec, 1-in tube
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131 °C (268 °F) |
| Normal Boiling Point |
257 °C (495 °F) |
| Heat of Vaporization at Max. Use Temp 400°C |
206 kJ/kg (88.7 Btu/lb) |
| Optimum Use Range, Liquid Vapor |
12-400 °C (54-750 °F)
260-400 °C (495-750 °F) |
| Maximum Film Temperature |
425 °C (800 °F) |
| Pseudocritical Temperature |
499 °C (930 °F) |
| Pseudocritical Pressure |
33.1 bar (480 psia) |
| Pseudocritical Density |
327 kg/m3 (20.4 lb/ft3) |
NOTA: Aunque la información y recomendaciones expuestas en la presente (de aqui en adelante "Información") son presenteadas de buena fe y considerada correcta en este momento Solutia Inc. no manifiesta la integridad o exactitud de esto. La información se proporciona bajo la condición de que las personas que la reciban determinen por sí mismos se es conveniente para sus fines antes de usarlo. En ningún caso Solutia se hará responsable por los daños de cualquier naturaleza que resultará del uso o confianza puesta en la información. Nada de lo que la presente contiene debe ser interpretado como una recomendación para usar algún producto, proceso, equipo o formulación opuesto a alguna patente y Solutia no manifiesta o garantiza, ni expresa ni implicitamente, que el uso de ésto no transgreda algún patente.
POR LAS PRESENTES NO SE REALIZAN MANIFESTACIONES NI GARANTIAS, YA SEA EXPRESA O IMPLICITAMENTE, DE NEGOCIABILIDAD, APTITUD PARA UN PROSPECTO A LA INFORMACIÓN O AL PRODUCTO AL CUAL SE REFIERE LA INFORMACIÓN.
Therminol® es marca registrada de Solutia Inc.
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