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Rated to 233°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.
| Temerature Ratings | |
|---|---|
| Maximum Bulk/Use Temp | 233°C |
| Maximum Film Temp | 255°C |
| Pour Point ASTM D445 | -45°C |
| Safety Data | |
|---|---|
| Flash Point ASTM D92 | 150°C |
| Fire Point ASTM D92 | 164°C |
| Auto Ignition ASTM E-659-78 | 330°C |
| Thermal Properties | |
|---|---|
| Thermal Expansion Coefficient | 0.1829 %/°C |
| Thermal Conductivity | W/m·K |
| -40°C | 0.147 |
| -18°C | 0.147 |
| 38°C | 0.142 |
| 100°C | 0.138 |
| 204°C | 0.13 |
| Heat Capacity | kJ/kg·K |
| -40°C | 1.905 |
| -18°C | 1.974 |
| 38°C | 2.144 |
| 100°C | 2.331 |
| 204°C | 2.649 |
| Physical Properties | |
|---|---|
| Viscosity ASTM D445 | cSt |
| -40°C | 104 |
| -18°C | 29.81 |
| 40°C | 4.62 |
| 100°C | 1.78 |
| 204°C | 0.77 |
| Density ASTM D1298 | d/ml |
| -40°C | 0.906 |
| -18°C | 0.891 |
| 38°C | 0.852 |
| 100°C | 0.81 |
| 204°C | 0.739 |
| Vapour Pressure ASTM D2879 | kPa |
| -40°C | 0 |
| -18°C | 0 |
| 38°C | 0.552 |
| 100°C | 1.475 |
| 204°C | 11.597 |
| Distillation Range ASTM D2887 | |
| 10% | 263°C |
| 90% | 509°C |
| Average Molecular Weight | 372 |
Note: The values quoted in the table above are typical of normal production.
They do not constitute a specification.
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