Galden® HT135 PFPE
Galden® HT135 is a high-performance electronic-grade heat transfer fluid based on Galden® PFPE (perfluoropolyether), developed by Syensqo, formerly Solvay. It is an inert, electrically insulating thermal management fluid.The product offers excellent dielectric properties, thermal stability, and chemical inertness, enabling stable operation across a wide temperature range. With a boiling point of approximately 135°C, it is suitable for both vapor-phase and liquid-phase thermal management systems. It can maintain stable performance from temperatures as low as approximately -100°C through elevated-temperature conditions, making it suitable for thermal management and precision temperature-control applications in high-reliability industrial environments.
Product Details
Product Features
PFPE perfluoropolyether structure with a high degree of chemical inertness
Excellent dielectric properties for electronic-grade electrical insulation applications
Stable performance across a wide operating temperature range
Non-flammable and has no flash point, providing a high level of operational safety
High cleanliness, leaving no residue and causing no material corrosion
Excellent thermal stability for long-term continuous operation
Good compatibility with metals, plastics, and elastomers
Applicable Industries / Equipment
Semiconductor and Electronics Manufacturing: Wafer process temperature-control equipment, semiconductor packaging and testing systems, electronic component burn-in equipment, semiconductor reliability testing systems, and IC testing and screening equipment
Chemical Processing and Industrial Thermal Management: Reactor temperature-control equipment, chemical process temperature-control systems, heat exchangers, and precision industrial temperature-control platforms
Data Centers and High-Performance Computing: Immersion cooling systems, AI server cooling systems, GPU and CPU thermal management equipment, and liquid cooling systems for supercomputing facilities
Laboratory and Research Equipment: Material thermal-performance testing equipment, constant-temperature reaction systems, environmental simulation equipment, and vacuum thermal testing systems
Advanced Industrial and Specialized Applications: Aerospace electronics testing systems, nuclear-industry thermal management equipment, and high-reliability industrial testing systems
| Property | HT135 |
|---|---|
| Boiling Point | 135 ℃ |
| Pour Point | -100 ℃ |
| Density | 1.72 g/cm³ |
| Kinematic Viscosity | 1 cSt |
| Vapor Pressure | 5.8 torr |
| Specific Heat | 0.23 cal/g·℃ |
|
Latent Heat of Vaporization (Near Boiling Point） |
16 cal/g |
| Refractive Index | 1.28 |
| Coefficient of Thermal Expansion | 0.1 cm³/cm³·℃ |
| Surface Tension | 17 dyne/cm |
| Thermal Conductivity | 0.065 W/m·K |
| Dielectric Strength（2.54 mm gap） | 40 kV |
| Dielectric Constant | 1.92 |
| Volume Resistivity | 1.5×10¹⁵ Ohm·cm |
| Average Molecular Weight | 610 amu |
| Dissipation Factor（1 KHz） | 2×10⁻⁴ |
| Water Solubility | <10 ppm (wt) |
| Air Solubility | 26 cm³ gas/100 cm³ liquid |
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