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Paratherm NF®HEAT
TRANSFER
FLUID
Non-Fouling - Completely Non-Toxic

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)  96°F (36°C)
Minimum start-up temp 300 cPs (300 mPa-s)  23°F (-5°C)
Viscosity @ 60°F/15.5°C sSt (mm2/sec)  64
Flash Point Cleveland Open Cup (D92)  340°F (171°C)
Flash Point Pensky-Martens Closed Cup (D93)  315°F (157°C)
Vapor Pressure @ max operating temp psia (kPa)  2.4 (16.6)
Average volume expansion, %/100°F (100°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)
Pour Point D97 <-40°F (-40°C)
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Paratherm NF...
- Read a Case History
- Engineering Bulletin
- MSDS
- Typical Properties
- Thermal Properties (English & SI Units)
- 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