High-and Low-Temperature Heat Transfer Fluids
UOLEN®40
-40°C to 250°C
| Item | Characteristic Parameter | |
| Appearance | Colorless transparent liquid | |
| Composition | Silicone oils | |
| Density (at 20°C/68°F) | 0.942 g/cm³ | |
| Moisture content, max. | 100 ppm | |
| Flash point | 200°C (392°F) | |
| Auto-ignition point | 450°C (842°F) | |
| Viscosity | -60°C (-76°F) | 109.2 mm²/s |
| -50°C (-58°F) | 63.48 mm²/s | |
| -40°C (-40°F) | 33.56 mm²/s | |
| Pour point | -95°C (-139°F) | |
| Specific heat (at 100°C/212°F) | 1.609 KJ/(kg·k) | |
| Thermal conductivity (at 20°C/68°F) | 0.143 (w/m·k) | |
| Normal boiling point | 300°C (572°F) | |
| Total acidity | <0.01 mg/kg(KOH) | |
| Sulfur content | <10 ppm | |
| Chlorine content | <10 ppm | |
| Copper strip corrosion (at 100°C/212°F, 3h) | <1a | |
| Expansion coefficient (at 100°C/212°F) | 0.00107 K⁻¹ | |
| Pumpability performance 300 mm²/s | >-70°C (-94°F) | |
| Max. bulk temperature | 300°C (572°F) | |
| Max. film temperature | 320°C (608°F) | |
| *The above data are obtained from laboratory tests on samples and may vary between batches. | ||
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