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XCELTHERM® 500 – Typical Properties

Heat/cool from –80ºF to 500ºF (-60ºC to 260ºC); non-toxic, odorless and food contact rated (NSF HT1); High heat transfer for increased production output. Used for food processing, packaging, plastic molding and extrusion and electronics.

Typical Properties

Key Operating Temperatures
Maximum Bulk Fluid Operating Temperature 500ºF 260ºC
Maximum Film Temperature 550ºF 288ºC
Freezing/Melting Point -103°F < -75°C
Flash Point (PMCC)(ASTM D93)(min) >288°F > 142°C
Flash Point (COC)(ASTM D92)(min) >315°F > 157°C
Fire Point (ASTM D92)(min) >338°F > 170°C
Autoignition Temperature (minimum) 625°F 329°C
Pour Point  <-94°F < -70°C
Pumpability, at 300 mm2/s (cSt) -55°F -62°C
Pumpability (2000cP) -80ºF -48ºC
Normal Boiling Point, at 760 mm Hg 599°F > 305°C
Physical Properties
Composition Radco-engineered Polyalphaolefin
Odor None
Appearance Bright & clear
Density, at 77°F (25°C) 6.58 lbs/gal 788.5 kg/m3
Specific Gravity, at 25°C (77°F) 0.79
Average Molecular Weight 275 g/mol
Moisture Content (maximum) 50 ppm
Kinematic Viscosity, at 40°C (104°F) 4.2 mm2/s (cSt)
Kinematic Viscosity, at 100°C (212°F) 1.7 mm2/s (cSt)
Coefficient of Thermal Expansion 0.00146/°F 0.00263/°C
Volume Contraction Upon Freezing/Melting 0.9626 lbs/gal 115.3 kg/m3
Heat of Vaporization, at Maximum Use Temperature 115 BTU/lb 267.5 kJ/kg
Heat of Fusion >8.6 BTU/lb >20 J/g

* Data represents typical laboratory samples and are not guaranteed for all samples.