Galden HT 135 – A High Performance Alternative to 3M™ Novec™ 7500
As industries worldwide accelerate their transition away PFAS-based engineered fluids, 3M™ has confirmed the phase-out of Novec™ 7500 and related fluorinated products by the end of 2025. This development presents a critical challenge for applications that depend on advanced dielectric and heat-transfer liquids.
To support this shift, Hicotech introduces Galden HT-135, a premium-grade PFPE heat transfer fluid developed to deliver consistent performance and serve as a dependable replacement for 3M™ Novec™ 7500 in sophisticated thermal management systems.
Read more: Discontinuation of 3M™ Products and Replacement Solution
Advanced PFPE Heat Transfer Technology
Galden® HT-series fluids are chemically inert, electrically insulating perfluoropolyether (PFPE) liquids engineered for high-demand thermal applications. With boiling points ranging 55 °C to 270 °C, these fluids allow stable operation at temperatures reaching 290 °C, exceeding the performance limits of many conventional fluorinated heat-transfer media.
Physical Property Comparison: Galden HT-135 vs. 3M™ Novec™ 7500
| Property | Unit | 3M™ Novec™ 7500 | Galden HT-135 |
|---|---|---|---|
| Boiling Point | °C | 128 | 135 |
| Pour Point | °C | –100 | –100 |
| Density | kg/m³ | 1614 | 1720 |
| Kinematic Viscosity | cSt | 0.77 | 1.00 |
| Vapor Pressure | kPa | 1.55 | 0.78 |
| Latent Heat of Vaporization | J/g | 88.5 | 66.9 |
| Thermal Expansion Coefficient | 1/°C | 0.00129 | 0.0011 |
| Dielectric Strength | kV | 35 | 40 |
| Average Molecular Weight | g/mol | 414 | 610 |
| Water Solubility | ppmw | <3 | <10 |
With a higher boiling point, increased density, and enhanced dielectric strength, Galden HT-135 delivers improved thermal stability and reliable performance across a wide range of operating conditions.
Key Advantages of Galden HT-135
Galden HT-135 combines multiple performance advantages that make it an excellent choice for demanding thermal systems:
-
Broad Operating Temperature Range
Maintains consistent performance low ambient conditions to elevated operating temperatures. -
High Purity and Intrinsic Safety
Bromine-free, low in VOC emissions, and inherently non-flammable for safer system operation. -
Outstanding Chemical Resistance
Highly resistant to acids, bases, fuels, alcohols, glycols, and cleaning agents. -
UV and Radiation Stability
Preserves chemical structure and performance when exposed to ultraviolet light and gamma radiation. -
High Dielectric Capability
Elevated dielectric strength supports applications requiring effective electrical insulation. -
Low Moisture Interaction
Minimal water absorption enhances long-term system reliability and helps reduce corrosion risk.
Operational Benefits
When implemented in industrial heat-transfer systems, Galden HT-135 provides clear operational advantages:
Extended Service Life
Exceptional chemical and thermal stability significantly slows fluid degradation, even under severe operating conditions.
Enhanced Safety and Regulatory Compliance
Classified under FM Approval Standard Class 6930, Galden HT-135 remains non-flammable during normal operation, supporting safety-critical environments.
Reduced Maintenance Demand
Designed for long-term use without frequent replacement, helping minimize downtime and operating costs.
Typical Application Areas
Galden HT-135 is ideally suited for advanced thermal management applications such as:
-
Semiconductor manufacturing processes
-
Chemical production systems
-
Pharmaceutical processing equipment
-
Vapor-phase heating technologies
-
Cooling of transformers and high-performance computing systems
-
Recirculating chiller units
-
Nuclear and radiation-exposed environments
These applications benefit precise temperature control, strong dielectric properties, and long-term thermal stability.
Conclusion
Galden HT-135 is a reliable, future-ready replacement for 3M™ Novec™ 7500, offering superior thermal performance, excellent chemical and electrical stability, and a wide operational temperature range. Designed for high-precision and demanding industrial environments, Galden HT-135 delivers safe, efficient, and long-lasting heat-transfer performance.
Contact us
-
Hotline/Zalo: (+84) 877 330 486
-
Website: https://hicochem.com/en
-
Email: Sale@hicotech.com.vn
.png)
AAdministratorsQTV
Welcome. Feel free to leave a comment, we will respond soon