High-and Low-Temperature Heat Transfer Fluids
UOLEN®40
-40°C to 250°C
Product Features
- Colorless, excellent light transmittance
- Odorless, comfortable to operate and eco-friendly
- High thermal stability, long service life
- Low kinematic viscosity at low temperatures, good fluidity
- Wide temperature range for both high and low temperatures
Working Temperature Range
For open-loop systems: -40°C to 150°C (-40°F to 302°F)
For closed-loop systems: -40°C to 300°C (-40°F to 572°F)
For closed-loop systems: -40°C to 300°C (-40°F to 572°F)
Application Fields
Experimental research, petrochemicals biopharmaceuticals, pesticide synthesis,
food processing, air conditioning, cold storage,automotive, aerospace, and other fields.
food processing, air conditioning, cold storage,automotive, aerospace, and other fields.
Applicable Equipment
High/low temperature circulation units,jacketed glass reactors, enamel reactors,
freeze dryers, TCU temperature control units,constant temperature oil bath,
freezer unit equipment, thermal oil heaters, mold temperature controllers,
aerospace testing equipment, automotive component testing systems.
freeze dryers, TCU temperature control units,constant temperature oil bath,
freezer unit equipment, thermal oil heaters, mold temperature controllers,
aerospace testing equipment, automotive component testing systems.
Productpackaging
10L,25L,200L,and 1000L drums
Specifications
| Item | Characteristic Parameter | |
| Appearance | Colorless transparent liquid | |
| Composition | Silicone oils | |
| Density (at 20°C/68°F) | 0.955 g/cm³ | |
| Moisture content, max. | 100 ppm | |
| Flash point | >200°C (392°F) | |
| Auto-ignition point | >400°C (752°F) | |
| Viscosity | -40°C (-40°F) | 110 mm²/s |
| -30°C (-22°F) | 80 mm²/s | |
| -20°C (-4°F) | 54 mm²/s | |
| Pour point | <-80°C (-112°F) | |
| Specific heat (at 100°C/212°F) | 1.765 KJ/(kg·k) | |
| Thermal conductivity (at 20°C/68°F) | 0.151 (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) | 0.00101 K⁻¹ | |
| 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. | ||
