Duratherm HF-FG Food Grade Heat Transfer Fluid

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Duratherm HF-FG Food Grade Heat Transfer Fluid
Categories:	Fluid
Material Notes:	Duratherm HF-FG satisfies the need for a high flash point thermal fluid while meeting the stringent requirements of the food processing and related industries. With a maximum bulk temperature of 338ºC and a flash point of 276ºC. Duratherm HF-FG is ideally suited for the rigorous high temperature applications found in the food industry. It also contains the industry’s most effective and resilient blend of additives to ensure long-lasting, trouble free service. This exclusive system includes a proprietary, dual-stage anti-oxidant and a special blend of metal deactivators, extenders, and other agents that prolong fluid life and help keep systems clean. Duratherm HF-FG offers unsurpassed levels of protection against oxidation, and a service life. Duratherm HF-FG is environmentally friendly, nontoxic, non-hazardous and non-reportable. It meets the food grade requirements of FDA 21CFR1783570 and USDA H1. It poses no ill effect to worker safety and does not require special handling. After its long service life, Duratherm HF-FG heat transfer oil can easily be disposed of with other waste oils. Information provided by Duratherm.
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Physical Properties	Original Value	Comments

Density	46.8 lb/ft³ @Temperature 338 °C
	47.3 lb/ft³ @Temperature 316 °C	ASTM D1298
	48.6 lb/ft³ @Temperature 260 °C	ASTM D1298
	49.4 lb/ft³ @Temperature 225 °C
	53.6 lb/ft³ @Temperature 38.0 °C	ASTM D1298
	54.4 lb/ft³ @Temperature 5.00 °C
Viscosity	0.70 cP @Temperature 338 °C	Dynamic
	1.54 cP @Temperature 225 °C	Dynamic
	894.86 cP @Temperature 5.00 °C	Dynamic
Kinematic Viscosity	0.93 cSt @Temperature 338 °C
	1.04 cSt @Temperature 316 °C	ASTM D445
	1.95 cSt @Temperature 225 °C
	12.45 cSt @Temperature 100 °C	ASTM D445
	104.04 cSt @Temperature 40.0 °C	ASTM D445
	1027.33 cSt @Temperature 5.00 °C
Molecular Weight	399 g/mol	Average
Vapor Pressure	0.000 atm @Temperature 38.0 °C	ASTM D2879
	0.000 atm @Temperature 5.00 °C
	0.00400 atm @Temperature 225 °C
	0.0145 atm @Temperature 260 °C	ASTM D2879
	0.1213 atm @Temperature 316 °C	ASTM D2879
	0.360 atm @Temperature 338 °C

Thermal Properties	Original Value	Comments
CTE, linear	1011 µm/m-°C
Specific Heat Capacity	1.816 J/g-°C @Temperature 5.00 °C
	1.874 J/g-°C @Temperature 38.0 °C
	2.204 J/g-°C @Temperature 225 °C
	2.266 J/g-°C @Temperature 260 °C
	2.367 J/g-°C @Temperature 316 °C
	2.407 J/g-°C @Temperature 338 °C
Thermal Conductivity	0.144 W/m-K @Temperature 316 °C
	0.144 W/m-K @Temperature 338 °C
	0.145 W/m-K @Temperature 260 °C
	0.145 W/m-K @Temperature 225 °C
	0.149 W/m-K @Temperature 38.0 °C
	0.149 W/m-K @Temperature 5.00 °C
Distillation Temperature	446 - 554 °C	10% to 90% range; ASTM D2887
Maximum Service Temperature, Air	338 °C	Bulk/Use Temp.
	360 °C	Film Temp.
Pour Point	-9.00 °C	ASTM D97
Flash Point	276 °C	ASTM D92
Ignition Temperature	393 °C	ASTM E-659-78

Descriptive Properties
Appearance	Colorless, clear and bright liquid
Fire Point (°C)	305	ASTM D92

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WDURA672 / 287872

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