Duratherm HTO22-FG Heat Transfer Fluid

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Duratherm HTO22-FG Heat Transfer Fluid
Categories:	Fluid
Material Notes:	Duratherm HTO22-FG is ideal for a wide range of closed to atmosphere (inertly sealed) applications including food processing, paint, rubber, calendars, board plants, roofing, textiles, laundry, refineries and asphalt storage/production. Duratherm HTO22-FG is rated to 315ºC (600ºF) and engineered with a low pour point for easy starting of systems in colder climates. Duratherm HTO22-FG meets USDA requirements for incidental food contact (H1) and meets the requirements of 21CFR1783570 and is NSF registered. Duratherm HTO22-FG ensures excellent thermal stability. Its low volatility also minimizes vapor pressure at elevated temperatures and Duratherm HTO22-FG contains antioxidants, metal deactivators and corrosion inhibitors to further enhance the fluid’s longevity. Duratherm HTO22-FG is environmentally friendly, non-toxic, non-hazardous and non-reportable. Duratherm HTO22-FG poses no ill effect to worker safety. Duratherm HTO22-FG can easily be disposed of with other waste oils. Information provided by Duratherm.
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Physical Properties	Original Value	Comments

Density	41.4 lb/ft³ @Temperature 316 °C	ASTM D1298
	41.5 lb/ft³ @Temperature 315 °C
	43.6 lb/ft³ @Temperature 260 °C	ASTM D1298
	44.8 lb/ft³ @Temperature 230 °C
	52.3 lb/ft³ @Temperature 38.0 °C	ASTM D1298
	55.0 lb/ft³ @Temperature -30.0 °C
Viscosity	0.30 cP @Temperature 315 °C	Dynamic
	0.68 cP @Temperature 230 °C	Dynamic
	1915.92 cP @Temperature -30.0 °C	Dynamic
Kinematic Viscosity	0.45 cSt @Temperature 316 °C	ASTM D445
	0.94 cSt @Temperature 230 °C
	5.45 cSt @Temperature 100 °C	ASTM D445
	20.06 cSt @Temperature 40.0 °C	ASTM D445
	2175.15 cSt @Temperature -30.0 °C
Molecular Weight	364 g/mol	Average
Vapor Pressure	0.000 atm @Temperature 38.0 °C	ASTM D2879
	0.000 atm @Temperature -30.0 °C
	0.0560 atm @Temperature 260 °C	ASTM D2879
	0.220 atm @Temperature 316 °C	ASTM D2879
	2.27 atm @Temperature 230 °C
	22.26 atm @Temperature 315 °C

Thermal Properties	Original Value	Comments
CTE, linear	1016 µm/m-°C
Specific Heat Capacity	1.625 J/g-°C @Temperature -30.0 °C
	1.938 J/g-°C @Temperature 38.0 °C
	2.821 J/g-°C @Temperature 230 °C
	2.96 J/g-°C @Temperature 260 °C
	3.212 J/g-°C @Temperature 315 °C
	3.215 J/g-°C @Temperature 316 °C
Thermal Conductivity	0.103 W/m-K @Temperature 315 °C
	0.104 W/m-K @Temperature 316 °C
	0.107 W/m-K @Temperature 260 °C
	0.111 W/m-K @Temperature 230 °C
	0.128 W/m-K @Temperature 38.0 °C
	0.133 W/m-K @Temperature -30.0 °C
Distillation Temperature	344 - 527 °C	10% to 90% range; ASTM D2887
Maximum Service Temperature, Air	315 °C	Bulk/Use Temp.
	343 °C	Film Temp.
Pour Point	-42.0 °C	ASTM D97
Flash Point	186 °C	ASTM D93
	213 °C	ASTM D92
Ignition Temperature	355 °C	ASTM E-659-78

Descriptive Properties
Appearance	Clear and bright liquid
Fire Point (°C)	255	ASTM D92

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WDURA676 / 287874

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