Paratherm Corporation Paratherm™ OR Heat Transfer Fluid

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Paratherm Corporation Paratherm™ OR Heat Transfer Fluid
Categories:	Fluid
Material Notes:	Description: Paratherm OR® is a sludge-resistant heat transfer fluid that combines substantial oxidation resistance with excellent thermal efficiency, high flash and fire points and extended service life. This zero-pressure fluid provides precise, uniform temperature control to 550°F in closed-loop thermal oil systems where the heat transfer fluid is more than occasionally exposed to air. The crystal-clear OR fluid is comprised of a unique high-stability base plus high-performance oxidation inhibitor/stabilizer. Information provided by Paratherm Corporation.
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Physical Properties	Original Value	Comments

Specific Gravity	0.8863 g/cc	60/60; ASTM D1298
Density	7.23 lb/gal @Temperature 23.9 °C	ASTM D4052
Kinematic Viscosity at 40°C (104°F)	40.12 cSt	ASTM D445
Molecular Weight	360 g/mol	average; ASTM D2502
Vapor Pressure	0.0645 atm @Temperature 260 °C

Electrical Properties	Original Value	Comments
Dielectric Strength	>= 3.50 kV/mm	disk; ASTM D877
Dissipation Factor	0.00020 @Frequency 60 Hz	ASTM D924

Thermal Properties	Original Value	Comments
Heat of Vaporization	51.67 cal/g	calculated
CTE, linear	400 µin/in-°F @Temperature 20.0 °C
Boiling Point	333 °C @Pressure 0.101 MPa	10% fraction; ASTM D1160
Maximum Service Temperature, Air	550 °F	optimum use range
	<= 600 °F	max. recommended film temperature
Minimum Service Temperature, Air	175 °F	optimum use range
Pour Point	-35.0 °F	ASTM D97
Flash Point	350 °F	coc; ASTM D92
Ignition Temperature	630 °F	Autoignition; ASTM E659

Descriptive Properties
Appearance	transparent, water-white
Feedstock	hydrotreated natural hydrocarbon
Fire point	395°F	ASTM D92, coc
Odor	none
Total Acid Number	0.01	ASTM D664

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