 |
| Paratherm
LR™ |
HEAT TRANSFER FLUID |
| Single
Fluid Heating and Cooling • Non Aromatic • Non Aqueous |
Typical Properties*
Physical Properties
| Chemical Name |
Paraffinic hydrocarbon |
| Appearance |
Water
White Liquid |
| Odor |
Odorless |
| Maximum Recommended Film Temperature |
500°F/260°C |
| Maximum Recommended Operating Temperature |
450°F/232°C |
| Minimum Operating Temperature 20 cPs (20 mP-s) |
-58°F/-50°C |
| Minimum Start-up Temperature 300 cPs (300 mP-s) |
-112°F/-80°C |
| Viscosity at 60°F cSt (mm2 /sec) |
2.4 |
| Density at 60°F/15.5°C lb/gal (kg/m3 ) |
6.4 (766) |
|
|
| Flash Point Closed Cup (D56) |
>130°F/54°C |
| Autoignition Temperature (maximum 10 sec ignition delay |
>500°F/260°C |
| Boiling Point (14.7 psia/101 kPa) |
397°F/202°C |
| Vapor Pressure @ maximum operating temperature psia (kPa) |
21 (145) |
| % Volume expansion over recommended operating temperature per 100°F (°C) |
6.8 (12.2) |
| Average Molecular Weight |
160 |
| Dielectric Breakdown voltage D1816-04 (kV, 0.1" gap) |
22.15 |
| Dielectric Constant (1 KHz) D924-04 |
2.03 |
| Dissipation Factor (1 KHz) D924-04 |
0.00001 |
| Volume Resistivity at 100V (Ω-cm) D257-07 |
1.84X1014 |
| Heat of combustion (approximate) BTU/lb (kJ/kg) |
20,000 (46,300) |
| Heat of vaporization (approximate) BTu/lb (kJ/kg) |
113 (262) |
*
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.
Download/View
Engineering Bulletin as a PDF File
 |  |