Syensqo (Solvay Specialty Polymers) Galden® HT170 PFPE Heat Transfer Fluid

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Syensqo (Solvay Specialty Polymers) Galden® HT170 PFPE Heat Transfer Fluid
Categories:	Fluid
Material Notes:	Galden® HT grades are specifically recommended for use as heat transfer fluids. Galden® PFPE is a line of high-performance, inert, fluorinated fluids. Various grades, with a variety of service temperature ranges, are available. Uses include heat transfer, electronic reliability testing, vapor phase soldering, solvents, and acid spill mitigation.
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Physical Properties	Metric	English	Comments

Density	1.77 g/cc @Temperature 25.0 °C	0.0639 lb/in³ @Temperature 77.0 °F
Solubility of Water	0.0014 %	0.0014 %
Kinematic Viscosity	1.8 cSt @Temperature 25.0 °C	1.8 cSt @Temperature 77.0 °F
	3.41 cSt @Temperature 0.000 °C	3.41 cSt @Temperature 32.0 °F
	7.11 cSt @Temperature -20.0 °C	7.11 cSt @Temperature -4.00 °F
	21.14 cSt @Temperature -40.0 °C	21.14 cSt @Temperature -40.0 °F
Molecular Weight	760 g/mol	760 g/mol	average
Vapor Pressure	0.00107 bar @Temperature 25.0 °C	0.800 torr @Temperature 77.0 °F
Surface Tension	18 dynes/cm	18 dynes/cm

Electrical Properties	Metric	English	Comments
Volume Resistivity	1.50e+15 ohm-cm	1.50e+15 ohm-cm
Dielectric Constant	1.9 @Frequency 1000 Hz	1.9 @Frequency 1000 Hz
Dielectric Strength	15.7 kV/mm	399 kV/in	2.54 mm gap
Dissipation Factor	0.00020 @Frequency 1000 Hz	0.00020 @Frequency 1000 Hz

Thermal Properties	Metric	English	Comments
Heat of Vaporization	66.9 J/g @Temperature 170 °C	28.8 BTU/lb @Temperature 338 °F	at boiling point
CTE, linear	367 µm/m-°C	204 µin/in-°F	converted from volumetric expansion of 0.0011 cm³/cm³-°C
Specific Heat Capacity	0.960 J/g-°C	0.229 BTU/lb-°F
Thermal Conductivity	0.0650 W/m-K	0.451 BTU-in/hr-ft²-°F
Boiling Point	170 °C	338 °F
Maximum Service Temperature, Air	170 °C	338 °F	as heat transfer fluid
Minimum Service Temperature, Air	-35.0 °C	-31.0 °F	as heat transfer fluid
Pour Point	<= -97.0 °C	<= -143 °F

Optical Properties	Metric	English	Comments
Refractive Index	1.281	1.281

Descriptive Properties
Solubility of Air (cm³ gas / 100 cm³ liquid)	26

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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