High-and Low-Temperature Heat Transfer Fluids
UOLEN®40
-40°C to 250°C
Product Features
- Almost odorless, comfortable to operate, and eco-friendly
- Transparent liquid, boiling point 352°C (665.6℉), usable up to 350°C (662℉) (normal pressure)
- Suitable for closed-loop systems
- High thermal stability, long service life
Working Temperature Range
25°C to 350°C (77°F to 662°F)
Application Fields
Experimental research, petrochemicals ,biopharmaceuticals, pesticide synthesis and
other fields.
Applicable Equipment
Thermal oil heaters, high/low temperature
circulation units, enamel reactors, and mold
temperature controllers.
Productpackaging
10L, 25L, 200L, and 1000L drums
Specifications
| Item | Characteristic Parameter | |
| Appearance | Colorless/pale yellow transparent liquid | |
| Composition | Modified terphenyl | |
| Mol. Wt. (Avg.) | 252 | |
| Density (at 20°C/68°F) | 1.011 g/cm³ | |
| Moisture content, max. | 100 ppm | |
| Flash point | ≥180°C (356°F) | |
| Auto-ignition point | ＞370°C (698°F) | |
| Viscosity | 40°C (104°F) | 30 mm²/s |
| 100°C (212°F) | 3.5 mm²/s | |
| Pour point | <-30°C (-22°F) | |
| Specific heat (at 100°C/212°F) | 1.85 KJ/(kg·k) | |
| Thermal conductivity (at 100°C/212°F) | 0.1132 (w/m·k) | |
| Normal Boiling Point | ＞350°C (662°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 200°C/392°F) | 0.000819 K⁻¹ | |
| Pumpability performance 300 mm²/s | ＞11°C (22.1°F) | |
| Max. bulk temperature | 350°C (662°F) | |
| Max. film temperature | 380°C (716°F) | |
| *The above data are obtained from laboratory tests on samples and may vary between batches. | ||
