Galden HT-70 is a line of heat transfer fluids within Syensqo's Galden HT range. This fluid's distinguishing feature is its ability to operate at extremely low temperatures, making it ideal for cold environments, cooling systems, and applications requiring efficient heat transfer at low temperatures and pressures.
Technical data sheet
Physical
Property | Typical Value | Unit |
---|---|---|
Average Molecular Weight | 410 | amu |
Density (25°C) | 1.68 | g/cm³ |
Kinematic Viscosity | 0.500 | cSt |
Solubility | ||
of air | 26.0 | ml gas/100 ml liquid |
of water | < 10.0 | wppm |
Surface Tension (25°C) | 14 | dyne/cm |
Vapor Pressure (25°C) | 141 | sec/100cc |
Thermal
Property | Typical Value | Unit |
---|---|---|
Thermal Conductivity (25°C) | 0.065 | W/m/K |
Boiling Point | 70 | °C |
Heat of Vaporization - at Boiling Point | 17.0 | cal/g |
Pour Point | -110 | °C |
Specific Heat Capacity (25°C) | 0.23 | cal/g/°C |
Electrical
Property | Typical Value | Unit |
---|---|---|
Volume Resistivity (25°C) | 1.0E+15 | ohms·cm |
Dielectric Constant (25°C) | 1.86 | |
Dielectric Strength - 2.54 mm gap (25°C) | 40 | kV |
Dissipation Factor - 1 kHz | 2.0E-4 |
Optical
Property | Typical Value | Unit | Test Method |
---|---|---|---|
Refractive Index | 1.28 | ASTM D542 |
Additional Information
Property | Typical Value | Unit |
---|---|---|
Coefficient of thermal expansion | 0.0011 | cm³/cm³°C |
Product functions
- Bromine Free: Environmentally friendly choice compared to heat transfer fluids containing bromine.
- Low VOC (Volatile Organic Compounds): Reduces emissions and environmental impact.
- High Purity: Minimizes contamination risks within the heat transfer system.
- Chlorine Resistant: Withstands exposure to chlorine, allowing use in environments with chlorine or chlorine compounds.
- High ESCR (Environmental Stress Crack Resistance): Improves the resistance of plastic components to cracking under environmental stress, extending their lifespan.
- Sour Gas Resistant: Can handle sour gases encountered in harsh industrial settings like petroleum refineries.
- Good Glycol Resistance: Compatible and functions effectively with glycol, a common heat transfer fluid.
- Bio-Fuel Resistant: Safe for use with biofuels, which are becoming increasingly prevalent.
- Fuel Resistant: Unaffected by fuels like gasoline and diesel, protecting components exposed to fuels.
- Alkali Resistant: Galden HT 70 can withstand alkaline solutions, expanding its application range in chemical-intensive industries.
- Acid Resistant: Safe for use in acidic environments due to its resistance to acidic solutions.
- Alcohol Resistant: Unaffected by alcohols, suitable for applications in the food or pharmaceutical industries.
- Mineral/Synthetic Oil Resistant: Compatible with both mineral and synthetic oils, increasing its versatility in various heat transfer systems.
- Detergent Resistant: Unaffected by detergents, facilitating cleaning of heat transfer systems without compromising performance.
- Hydrolysis Resistant: Resists degradation caused by water, ensuring long-term performance.
- Low Moisture Absorption: Minimizes the risk of corrosion in metal components of the heat transfer system.
- Dielectric Properties: Suitable for applications requiring electrical insulation.
- Non-Flammable: Enhances safety in the operating environment.
- Radiotranslucent
- Transparency: Enables visual inspection of the fluid for any signs of contamination within the heat transfer system.
- UV Resistant: Maintains stability and performance when exposed to ultraviolet radiation.
- Radiation (Gamma) Resistant: May or may not be a property of Galden HT 70 depending on the specific variant. It's crucial to consult the manufacturer's datasheet for confirmation. Gamma resistance makes it suitable for specific specialized environments like nuclear applications.
- Good Thermal Stability: Prevents decomposition at high temperatures, ensuring long-lasting performance within the heat transfer system.
- High Heat Resistant: Galden HT 70 can operate effectively in a wide temperature range, meeting the demands of various industrial processes.
Applications of Galden HT 70
Electronics
Segments | Applications | End uses |
---|---|---|
Semiconductor | Test & Packaging | Semicon Testing/Packaging/Others |
Semiconductor | Fab Process Materials | Semiconductors - Fab Process Material |
Semiconductor | Fab Process Materials | Solvent For Electronic Applications |
Semiconductor | Fab Process Materials | Semiconductors - Electronics, Strippers And Cleaners |
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