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Paratherm MR®HEAT
TRANSFER
FLUID
Single Fluid Heating/Cooling - Non-Toxic

Typical Properties*

Physical Properties

Base Linear Alkene
Appearance Water White Liquid
Taste & Odor Slight Odor
Optimum Use Range 25°F to 450°F (-4°C to 232°C)
Maximum Recommended Film Temperature 500°F (260°C)
Max Recomended Operating Temperature — Fired Heaters 450°F (232°C)
Max Recomended Operating Temperature —All Others 480°F (249°C)
Minimum Operating Temperature 20 cPs
(20 mPa-s)
25°F (-4°C)
Minimum Start-up Temperature 300 cPs
(300 MpA-s)
 -47°F(-44°C)

Viscosity at 60°F / 15.5° C cSt (mm2 /sec)

10
Density at 60°F/ 15.5° C lb/gal (kg/m3) 6.7 (802)
Flash Point -- Open Cup (D92) >320°F (160°C)
Flash Point -- Closed Cup (D93) >275°F (135°C)
Vapor Pressure @ Max Oper. Temp. psia (kPa) 6.5 (45)
Average Volume Expansion, %/°F (%/°C) 4.4 (7.9)
Average Molecular Weight 300
Dielectric Breakdown Voltage D1816-04 kV, 0.1" gap 28.57
Dielectric Constant (1 KHz) D924-04 2.078
Dissipation Factor (1KHz) D924-04 0.000008
Volume Resistivity at 100V (Ω-cm) D257-07 3.04 X 1014
Heat of Combustion (approximate) BTU/lb (kJ/kg) 20,000 (46,300)
Heat of Vaporization (approximate) BTU/lb (kJ/kg) 115 (266)
Pour Point D97 -50°F (-45°C)

* These are typical laboratory values, and are not guaranteed for all samples. 
** Note: Normal practice is to size expansion tanks so that they are 1/4 to 1/3 full when the system is cold, and 2/3 to 3/4 full when the system is at the maximum normal operating temperature.

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