| Key Operating Temperatures |
| Maximum Bulk Fluid Operating Temperature |
|
750ºF |
400ºC |
|
750ºF |
400ºC |
| Maximum Film Temperature |
800ºF |
427ºC |
| Crystallizing Point |
53.6ºF |
12ºC |
| Physical Properties |
| Composition |
Stable eutectic mixture of 73% Diphenyl Oxide and 27% Biphenyl |
|
| Flash Point (minimum) |
255ºF |
124ºC |
| Fire Point (minimum) |
265ºF |
129ºC |
| Autoignition Temperature (minimum) |
1150ºF |
621ºC |
| Normal Boiling Point |
@760mm Hg |
495ºF |
257ºC |
| Critical Temperature |
930.3ºF |
499ºC |
| Critical Pressure |
480.3 psia |
| Critical Volume |
0.05153 cu ft/lb |
| Heat of Fusion |
23.3 cal/g |
| Specific Resistivity |
6.4 x 10" ohm-cm @ |
68ºF |
20ºC |
| Surface Tension in Air |
36.6 dynes/cm @ |
77ºF |
25ºC |
| Volume Contraction Upon Freezing |
6.30% |
| Volume Expansion Upon Melting |
6.66% |
| Moisture |
300 ppm (maximum) |
| Density |
8.83 pounds per gallon @ |
77ºF |
25ºC |
| Specific Gravity |
1.044 to 1.066 @ |
77ºF |
25ºC |
| Average Molecular Weight |
166 |
| * Data represents typical laboratory samples and are not guaranteed for all samples. |