Duratherm G
Duratherm G is a glycol based thermal fluid rated to 260°C (500°F), a proprietary additive system that not only helps the fluid last longer and run cleaner, it makes it the ideal choice for extreme oxidation environments including demanding, open bath applications.
Max. Operating Temp
260°C (500°F)
Features
- 260°C (500°F) maximum operating temperature
- High flash point of 249°C (480°F)
- Ideal for use in extreme oxidation environments like open baths
- Polyalkylene glycol based thermal fluid with enhanced performance
Temperature Ratings
| Max Bulk/Use Temp | 500°F |
| Max Film Temp | 550°F |
| Pour Point ASTM D97 | -40°F |
Safety Data
| Flash Point ASTM D92 | 480°F |
| Fire Point ASTM D92 | 505°F |
| Autoignition ASTM E-659-78 | 690°F |
Physical Properties
Viscocity ASTM D445
cSt
| 100°F | 46.1 |
| 300°F | 3.4 |
| 500°F | 1.2 |
Density ASTM D1298
lb/ft³
| 100°F | 57.5 |
| 300°F | 55.5 |
| 500°F | 53.5 |
Vapor Pressure ASTM D2879
psia
| 100°F | 0.04 |
| 300°F | 0.21 |
| 500°F | 0.51 |
Distillation Range ASTM D2887
| 10% | 694°F | 90% | 957°F |
| Molecular Weight | N/A |
| Specific Gravity @ 60°F | 0.963 |
Thermal Properties
Thermal Expansion Coefficient
0.0377%/°F
Thermal Conductivity
BTU/hr·ft·F°
| 100°F | 0.105 |
| 300°F | 0.099 |
| 500°F | 0.092 |
Heat Capacity
BTU/lb F
| 100°F | 0.472 |
| 300°F | 0.5 |
| 500°F | 0.528 |