FRAGOLTHERM® DPO

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FRAGOLTHERM® DPO

FRAGOLTHERM® DPO is a high-temperature-stable heat transfer fluid for use in temperature-critical systems. Typical fields of application are, for example, production of synthetic fibers and fine chemicals, Concentrated Solar Power (CSP) and plastics recycling.

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Description

FRAGOLTHERM® DPO is a high-temperature-stable heat transfer fluid for use in temperature-critical systems. Typical fields of application are, for example, production of synthetic fibers and fine chemicals, Concentrated Solar Power (CSP) and plastics recycling.

FRAGOLTHERM® DPO can be used in the vapor phase as well as in the liquid phase up to 400 °C. In the liquid phase the product can be used pressureless at a temperature range between 12 °C and 257 °C and pressurised up to 400 °C. The film temperature at the heater must not exceed 430 °C.

FRAGOLTHERM® DPO crystallizes below 12 °C, but without volume expansion. On pipelines and on system components in which the fluid is not constantly flowing or where temperatures are under 12 °C, a heat tracing should be provided.
Also with use in pressureless ranges in the liquid phase a nitrogen blanket is recommended in the expansion tank, in order to prevent premature ageing.

Technical information

Maximum bulk temperature

Maximum film temperature

430°C (800°F)

Product Normal Boil Point

257°C (495°F)

Product composition

Biphenyl / diphenyloxide (DPO) eutectic mixture

Product appearance

Clear, water white liquid

Pressurised Systems/HTF

Yes

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