Description
DURATHERM S
A silicone based heat transfer fluid that is ideally suited for high oxidation applications or completely exposed systems. Duratherm S is virtually impervious to oxidation at temperatures under 204°C (400°F) and offers superior protection from fluid degradation. Duratherm S is best suited for applications not prone to contamination or leaking.
- 316°C (600°F) maximum operating temperature
- Pumpable down to -50°C (-46°F)Â
- Very strong resistance to oxidation up to 204°C (400°F)
- Recommended for use in fully exposed systems like open baths
- Highly resistant to fouling for an extremely long service life
- Non-corrosive and non-toxic thermal fluid for added workplace safety
TEMPERATURE RATINGS |
|
|---|---|
| Max Bulk/Use Temp | 316°C |
| Max Film Temp. | 366°C |
| Pour Point ASTM D97 | -66°C |
SAFETY DATA |
|
|---|---|
| Flash Point ASTM D92 | 324°C |
| Fire Point ASTM D92 | 336°C |
| Autoignition ASTM E-659-78 | 437°C |
THERMAL PROPERTIES |
|
|---|---|
| Thermal Expansion Coefficient | 0.099 %/°C |
| Thermal Conductivity | W/m·K |
| 38°C | 0.133 |
| 204°C | 0.109 |
| 204°C | 0.109 |
| 260°C | 0.100 |
| 288°C | 0.097 |
| 316°C | 0.093 |
| Heat Capacity | kJ/kg·K |
| 38°C | 1.717 |
| 204°C | 2.034 |
| 204°C | 2.035 |
| 260°C | 2.144 |
| 288°C | 2.194 |
| 316°C | 2.248 |
PHYSICAL PROPERTIES |
|
|---|---|
| Viscosity ASTM D445 | cSt |
| -18°C | 113.08 |
| 40°C | 36.14 |
| 100°C | 16.57 |
| 260°C | 5.19 |
| 288°C | 4.54 |
| 316°C | 4.03 |
| Density ASTM D1298 | kg/l |
| 38°C | 0.95 |
| 204°C | 0.81 |
| 204°C | 0.81 |
| 260°C | 0.77 |
| 288°C | 0.74 |
| 316°C | 0.72 |
| Vapor Pressure ASTM D2879 | kPa |
| 38°C | 0.00 |
| 204°C | 0.14 |
| 204°C | 0.14 |
| 260°C | 1.79 |
| 288°C | 3.52 |
| 316°C | 6.83 |
| Distillation Range ASTM D2887 | |
| 10% | 494°C |
| 90% | 679°C |
Note: The values quoted in the table above are typical of normal production.
They do not constitute a specification.
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