Duratherm XLT-50 Heat Transfer Fluid

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Duratherm XLT-50 Heat Transfer Fluid
Categories:	Fluid
Material Notes:	Duratherm XLT-50 is engineered for long term operation in heat transfer applications requiring precise temperature control ranging from -45°C (-50°F) up to 121°C (250°F). Duratherm XLT-50 does not requiring monitoring of concentration or additive levels. Duratherm XLT-50 utilizes an exclusive additive system for long term, trouble free operation at any temperature, high or low. Duratherm XLT-50 is plant and user friendly. Low odors, high flash point and no SARA reportable substances. After its extensive service life Duratherm XLT-50 can be disposed of through local waste oil recycling programs. Information provided by Duratherm.
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Physical Properties	Original Value	Comments

Density	42.7 lb/ft³ @Temperature 176 °C	ASTM D1298
	45.6 lb/ft³ @Temperature 121 °C
	49.7 lb/ft³ @Temperature 45.0 °C
	50.5 lb/ft³ @Temperature 30.0 °C	ASTM D1298
	53.8 lb/ft³ @Temperature -30.0 °C	ASTM D1298
	54.6 lb/ft³ @Temperature -45.0 °C
Viscosity	0.63 cP @Temperature 121 °C	Dynamic
	1.27 cP @Temperature 45.0 °C	Dynamic
	7.39 cP @Temperature -45.0 °C	Dynamic
Kinematic Viscosity	0.65 cSt @Temperature 176 °C	ASTM D445
	0.86 cSt @Temperature 121 °C
	1.6 cSt @Temperature 45.0 °C
	1.9 cSt @Temperature 30.0 °C	ASTM D445
	5.57 cSt @Temperature -30.0 °C	ASTM D445
	8.45 cSt @Temperature -45.0 °C
Vapor Pressure	0.000 atm @Temperature -30.0 °C	ASTM D2879
	0.000 atm @Temperature -45.0 °C
	0.00200 atm @Temperature 38.0 °C	ASTM D2879
	0.00800 atm @Temperature 45.0 °C
	0.210 atm @Temperature 121 °C
	0.586 atm @Temperature 176 °C	ASTM D2879

Thermal Properties	Original Value	Comments
Specific Heat Capacity	1.88 J/g-°C @Temperature -45.0 °C
	1.914 J/g-°C @Temperature -30.0 °C
	2.065 J/g-°C @Temperature 30.0 °C
	2.106 J/g-°C @Temperature 45.0 °C
	2.361 J/g-°C @Temperature 121 °C
	2.528 J/g-°C @Temperature 176 °C
Thermal Conductivity	0.135 W/m-K @Temperature 176 °C
	0.135 W/m-K @Temperature 121 °C
	0.136 W/m-K @Temperature 30.0 °C
	0.136 W/m-K @Temperature 45.0 °C
	0.137 W/m-K @Temperature -30.0 °C
	0.137 W/m-K @Temperature -45.0 °C
Distillation Temperature	181 - 285 °C	10% to 90% range; ASTM D2887
Maximum Service Temperature, Air	121 °C	Bulk/Use Temp.
	198 °C	Film Temp.
Minimum Service Temperature, Air	-45.0 °C
Pour Point	-56.0 °C	ASTM D97
Flash Point	85.0 °C	ASTM D92

Descriptive Properties
Appearance	Clear liquid, slight yellow tint
Fire Point (°C)	104	ASTM D92

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WDURA684 / 287877

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