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Rated to 327°C (620°F), Duratherm FG is a thermal fluid with strong resistance to fouling for extended service and is engineered and manufactured to comply with the demands of food grade applications. Meets USDA requirements for incidental food contact (H1), meets the requirements of 21 CFR 178.3570 and is registered with the NSF HT1.
| Temerature Ratings | |
|---|---|
| Maximum Bulk/Use Temp | 327°C |
| Maximum Film Temp | 355°C |
| Pour Point ASTM D445 | -17°C |
| Safety Data | |
|---|---|
| Flash Point ASTM D92 | 227°C |
| Fire Point ASTM D92 | 242°C |
| Auto Ignition ASTM E-659-78 | 362°C |
| Thermal Properties | |
|---|---|
| Thermal Expansion Coefficient | 0.1829 %/°C |
| Thermal Conductivity | W/m·K |
| 38°C | 0.144 |
| 100°C | 0.14 |
| 204°C | 0.133 |
| 260°C | 0.13 |
| 288°C | 0.13 |
| 316°C | 0.128 |
| Heat Capacity | kJ/kg·K |
| 38°C | 1.968 |
| 100°C | 2.172 |
| 204°C | 2.515 |
| 260°C | 2.696 |
| 288°C | 2.788 |
| 316°C | 2.881 |
| Physical Properties | |
|---|---|
| Viscosity ASTM D445 | cSt |
| 40°C | 40.35 |
| 100°C | 6.51 |
| 204°C | 1.56 |
| 260°C | 1.03 |
| 288°C | 0.88 |
| 316°C | 0.76 |
| Density ASTM D1298 | d/ml |
| 38°C | 0.845 |
| 100°C | 0.803 |
| 204°C | 0.733 |
| 260°C | 0.695 |
| 288°C | 0.676 |
| 316°C | 0.658 |
| Vapour Pressure ASTM D2879 | kPa |
| 38°C | 0 |
| 100°C | 0 |
| 204°C | 0.4 |
| 260°C | 2.62 |
| 288°C | 5.516 |
| 316°C | 10.894 |
| Distillation Range ASTM D2887 | |
| 10% | 383°C |
| 90% | 494°C |
| Average Molecular Weight | 395 |
| Specific Gravity @ 16°C | 0.863 |
Note: The values quoted in the table above are typical of normal production.
They do not constitute a specification.
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