High-and Low-Temperature Heat Transfer Fluids
UOLEN®40
-40°C to 250°C
Product Features
- Colorless/pale yellow oil-liquid
- Odorless, comfortable to operate, and eco-friendly
- Excellent thermal stability, long service life, suitable for open/closed-loop systems
Working Temperature Range
Open systems: -10°C to 220°C (14°F to 428°F)
Closed systems: -10°C to 320°C (14°F to 608°F)
Closed systems: -10°C to 320°C (14°F to 608°F)
Application Fields
Experimental research, petrochemicals, biopharmaceuticals, pesticide synthesis and
other fields.
Applicable Equipment
Laboratory oil bath, high/low temperature circulation units, jacketed glass reactors,
enamel reactors, and mold temperature controllers.
Productpackaging
10L, 25L, 200L, and 1000L drums.
Specifications
| Item | Characteristic Parameter | |
| Appearance | Colorless/pale yellow transparent liquid | |
| Composition | Phenylmethyl polysiloxane | |
| Density (at 20°C/68°F) | 1.05 g/cm³ | |
| Moisture content, max. | 100 ppm | |
| Flash point | 240°C (464°F) | |
| Auto-ignition point | 400°C (752°F) | |
| Viscosity | -30°C (-22°F) | 317 mm²/s |
| -20°C (-4°F) | 191 mm²/s | |
| -10°C (14°F) | 110 mm²/s | |
| 0°C (32°F) | 72 mm²/s | |
| Pour point | <-60°C (-76°F) | |
| Specific heat (at 100°C/212°F) | 1.6013 KJ/(kg·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) | 0.00098 K⁻¹ | |
| Max. bulk temperature | 320°C (608°F) | |
| Max. film temperature | 350°C (662°F) | |
| *The above data are obtained from laboratory tests on samples and may vary between batches. | ||
