Duratherm LT
Engineered for a variety of heat transfer fluid processes requiring heating and cooling, Duratherm LT is ideal for batch processing operations requiring a low temperature heat transfer fluid that is pumpable down to -29°C (-20°F) – eliminating the need for heat tracing often required in outdoor applications.
Max. Operating Temp
225°C (437°F)
Features
- 316°C (600°F) maximum operating temperature with excellent cooling properties
- Pumpable at temperatures down to -29°C (-30°F)
- Capable of performing both heating and cooling cycles
- Suitable for use in outdoor heating and cooling applications
- Runs cleaner for a longer service life
- Easy to dispose of along with other waste oils
Temperature Ratings
| Max Bulk/Use Temp | 437°F |
| Max Film Temp | 467°F |
| Pour Point ASTM D97 | -72°F |
Safety Data
| Flash Point ASTM D92 | 329°F |
| Fire Point ASTM D92 | 369°F |
| Autoignition ASTM E-659-78 | 473°F |
Physical Properties
Viscocity ASTM D445
cSt
| -20°F | 254.6 |
| 100°F | 8.5 |
| 210°F | 2.4 |
| 440°F | 0.7 |
Density ASTM D1298
lb/ft³
| -20°F | 53.2 |
| 100°F | 50.3 |
| 210°F | 47.7 |
| 440°F | 42.2 |
Vapor Pressure ASTM D2879
psia
| -20°F | 0 |
| 100°F | 0 |
| 210°F | 0.02 |
| 440°F | 1.69 |
Distillation Range ASTM D2887
| 10% | 616°F | 90% | 750°F |
| Molecular Weight | 395 |
| Specific Gravity @ 60°F | 0.854 |
Thermal Properties
Thermal Expansion Coefficient
0.0564%/°F
Thermal Conductivity
BTU/hr·ft·F°
| -20°F | 0.087 |
| 100°F | 0.084 |
| 210°F | 0.081 |
| 440°F | 0.075 |
Heat Capacity
BTU/lb F
| -20°F | 0.463 |
| 100°F | 0.518 |
| 210°F | 0.568 |
| 440°F | 0.673 |