High-and Low-Temperature Heat Transfer Fluids
UOLEN®40
-40°C to 250°C
UOLEN®330 fluid has a temperature range of ‒15°C to 290°C (5°F to 554°F)
without overpressure or up to 330°C (626°F) with appropriate level of system pressurization
| Item | Characteristic Parameter | |
| Appearance | Colorless transparent liquid | |
| Density (at 20°C/68°F) | 0.996g/cm³ | |
| Moisture content, max. | <100ppm | |
| Flash point | >140°C(284°F) | |
| Auto-ignition point | 480°C(896°F) | |
| Viscosity | -15°C(5°F) | 195mm²/s |
| -10°C(14°F) | 16.5mm²/s | |
| 0°C(32°F) | 6.8mm²/s | |
| 20°C(68°F) | 4.0mm²/s | |
| Pour point | <-50°C(-58°F) | |
| Specific heat (at 100°C/212°F) | 1.598KJ/(kg·k) | |
| Thermal conductivity (at 20°C/68°F) | 0.134(w/m·k) | |
| Normal boiling point | >291°C(555.8°F) | |
| Total acidity | <0.01mg/kg(KOH) | |
| Sulfur content | <10ppm | |
| Chlorine content | <10ppm | |
| Copper strip corrosion (at 100°C/212°F,3h) | <1a | |
| Expansion coefficient (at -20°C to 300°C)/(at -4°C to 572°C) | 0.00091K-¹ | |
| Max. bulk temperature | 330°C(626°F) | |
| Max. film temperature | 360°C(680°F) | |
| *The above data are obtained from laboratory tests on samples and may vary between batches. | ||
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