Duratherm 450
Rated to 232°C (450°F), Duratherm 450 is specifically engineered for applications requiring a thermal fluid capable of efficient process heating and cooling. Economical and thermally stable, it provides precise temperature control and is proven to be an excellent alternative to costly synthetics and aromatic fluids.
Max. Operating Temp
232°C (450°F)
Features
- 232°C (450°F) maximum operating temperature while cooling properties
- Cold temperature pumpability down to -45°C (-49°F)
- Recommended for precise control of heating and cooling cycles
- Economical alternative to costly synthetics and aromatics
- Long lasting and environmentally friendly
- Uses a dual-stage anti-oxidant to resist oxidation
Temperature Ratings
| Max Bulk/Use Temp | 450°F |
| Max Film Temp | 490°F |
| Pour Point ASTM D97 | -49°F |
Safety Data
| Flash Point ASTM D92 | 302°F |
| Fire Point ASTM D92 | 327°F |
| Autoignition ASTM E-659-78 | 625°F |
Physical Properties
Viscocity ASTM D445
cSt
| -18°F | 293.4 |
| 100°F | 8.9 |
| 210°F | 2.3 |
| 450°F | 0.7 |
Density ASTM D1298
lb/ft³
| -18°F | 54.1 |
| 100°F | 51.4 |
| 210°F | 48.9 |
| 450°F | 43.4 |
Vapor Pressure ASTM D2879
psia
| -18°F | 0 |
| 100°F | 0 |
| 210°F | 0.03 |
| 450°F | 2.28 |
Distillation Range ASTM D2887
| 10% | 516°F | 90% | 772°F |
| Molecular Weight | 372 |
Thermal Properties
Thermal Expansion Coefficient
0.0564%/°F
Thermal Conductivity
BTU/hr·ft·F°
| -18°F | 0.079 |
| 100°F | 0.076 |
| 210°F | 0.072 |
| 450°F | 0.066 |
Heat Capacity
BTU/lb F
| -18°F | 0.495 |
| 100°F | 0.549 |
| 210°F | 0.599 |
| 450°F | 0.707 |