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Paratherm NF®HEAT
TRANSFER
FLUID
Food Grade Low Viscosity for Easy Start Up

Chemical Name Hydrotreated Mineral Oil
Appearance Water White Liquid
Odor Odorless
Maximum recommended film temperature  650°F (343°C)
Maximimum rec'd operating temp - fired heaters  600ºF (316ºC)
Maximimum rec'd operating temp - all others  630°F (332°C)
Minimum operating temperature 20 cPs (20 mPa-s)  97°F (36°C)
Minimum start-up temp 300 cPs (300 mPa-s)  24°F (-4°C)
Viscosity @ 60°F/15.5°C sSt (mm2/sec)  73
Density at 60°F/15.5°C lb/gal (kg/m3 )  7.4 (887)
Flash Point Pensky-Martens Closed Cup (D93) > 300°F/149°C
Boiling Point (14.7 psia/101 kPa)
 >700°F/371°C
Vapor Pressure @ max operating temp psia (kPa) 2.5 (17)
%Volume expansion over recommended operating temperature per 100°F (°C) 5.5 (9.9)
Average Molecular Weight 340
Dielectric Breakdown Voltage D1816-04 (kV, 0.1" gap)
34.37
Dielectric Constant (1KHz) D924-04 2.183
Dissipation Factor (1KHz) D924-04 0.000003
Volume Resistivity at 100V (Ω-cm) D257-07 3.4 X 1014
Heat of Combustion (approximate) BTU/lb (kJ/kg) 20,000 (46,300)
Heat of Vaporization (approximate) BTU/lb (kJ/kg) 91 (210)
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whitespacer.gif HEAT TRANSFER FLUIDS

Paratherm NF...
- Read a Case History
- Engineering Bulletin
- MSDS
- Typical Properties
- Thermal Prop. (Paracalc)
- Thermal Prop. (PDF)
- Relief Valve Sizing Guide

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Paratherm Corporation | 4 Portland Road | West Conshohocken, PA 19428 USA | Toll-Free in USA and Canada: +1 800-222-3611