- Client Duong Do dinh - (0986490xxx) bought 8 month ago (25/11/2025)
Galden D 05
4 5 (1 evaluate)Category: Galden® D
Maker: Syensqo
Made in: Italy
Packaging: 1kg, 5kg
What Is Galden® D 05?
Galden® D 05 is a high-purity perfluoropolyether (PFPE) heat transfer fluid developed by Syensqo for demanding thermal management and electronic reliability testing applications. As part of the Galden® D Series, it is specifically formulated for use in liquid-to-liquid thermal shock testing systems, where rapid and repeatable temperature transitions are essential for evaluating the durability of electronic components and assemblies.
Unlike conventional mineral oils or silicone-based fluids, Galden® D 05 is chemically inert, electrically non-conductive, non-flammable, and thermally stable, making it suitable for direct immersion of sensitive electronic devices during environmental qualification tests.
Galden® D 05 is commonly selected for high-temperature baths in thermal shock chambers because its controlled boiling point and excellent heat transfer characteristics enable fast, uniform heating without contaminating electronic assemblies. Manufacturers in the automotive, semiconductor, aerospace, medical, and industrial electronics sectors use Galden® D 05 to improve the accuracy and repeatability of accelerated reliability testing while reducing maintenance requirements.
Key Features and Process Benefits
| Feature | Process Benefit |
|---|---|
| PFPE (Perfluoropolyether) Chemistry | Provides exceptional chemical inertness, minimizing reactions with metals, plastics, elastomers, and electronic materials while extending fluid service life. |
| Excellent Heat Transfer Performance | Enables rapid and uniform temperature transfer, reducing stabilization time and improving the repeatability of thermal shock testing. |
| Stable High Boiling Point | Delivers consistent high-temperature performance for the hot bath of dual-fluid thermal shock systems without significant property variation during long-term operation. |
| Excellent Dielectric Properties | Allows direct immersion of electronic assemblies without electrical short circuits, making it ideal for semiconductor and PCB reliability testing. |
| Non-Flammable & High Thermal Stability | Improves operational safety while maintaining stable performance under repeated heating cycles in reliability laboratories. |
| Low Surface Tension | Ensures complete wetting of complex electronic assemblies, improving heat transfer efficiency and reducing localized hot spots. |
| Long Service Life | High resistance to oxidation and thermal degradation reduces maintenance frequency and lowers total operating costs. |
| High Repeatability | Supports consistent environmental qualification results required for automotive, aerospace, semiconductor, and medical electronics. |
Technical data sheet of Galden® D 05
Physical
|
Property |
Typical Value |
Unit |
|---|---|---|
|
Average Molecular Weight |
1020 |
amu |
|
Density |
|
|
|
-54°C |
1.98 |
g/cm³ |
|
25°C |
1.82 |
g/cm³ |
|
Kinematic Viscosity (25°C) |
4.40 |
cSt |
|
Surface Tension |
17 |
dyne/cm |
Thermal
|
Property |
Typical Value |
Unit |
|---|---|---|
|
Boiling Point |
230 |
°C |
|
Pour Point |
-77 |
°C |
|
Specific Heat Capacity (25°C) |
0.23 |
cal/g/°C |
Electrical
|
Property |
Typical Value |
Unit |
|---|---|---|
|
Dielectric Constant |
2.10 |
|
|
Dielectric Strength - 2.54mm gap |
40 |
kV |
|
Volume Resistance |
5E15 |
ohms·cm |
Additional Information
|
Property |
Typical Value |
Unit |
|---|---|---|
|
Thermal Conductivity (25°C) |
0.07 |
W/m°C |
|
Coefficient of Expansion |
0.0011 |
cm³/cm³.°C |
Galden® D Series Comparison
| Grade | Typical Application | Boiling Point (°C) | Density @ 25°C (g/cm³) | Viscosity @ 25°C (cSt) | Dielectric Strength | Chemical Stability | Flammability | Typical Bath |
|---|---|---|---|---|---|---|---|---|
| Galden® D 02 | Liquid-to-liquid thermal shock testing | 165 | 1.78 | 2.1 | ~40 kV | Chemically inert | Non-flammable | Cold Bath |
| Galden® D 02/TS | Thermal shock systems (optimized for TS equipment) | 165 | 1.78 | 2.1 | ~40 kV | Chemically inert | Non-flammable | Cold Bath |
| Galden® D 03 | Medium-temperature heat transfer & thermal shock | 190 | 1.80 | 3.0 | ~40 kV | Chemically inert | Non-flammable | Medium Temperature Bath |
| Galden® D 05 | High-temperature thermal shock testing | 230 | 1.82 | 4.4 | ~40 kV | Chemically inert | Non-flammable | Hot Bath |
| Galden® DET | Semiconductor & advanced electronics reliability testing | Customized* | PFPE Fluid | Optimized for application | ~40 kV | Chemically inert | Non-flammable | Specialized Testing |
Note: Galden® DET is a specialized PFPE fluid family designed for advanced electronic reliability testing. Depending on the specific DET grade, thermal properties may differ. Please refer to the corresponding Syensqo Technical Data Sheet (TDS) for detailed specifications.
Common Applications
Thermal Shock Testing of Electronic Assemblies
Galden® D 05 is widely used in liquid-to-liquid thermal shock chambers to evaluate solder joint reliability, PCB durability, and package integrity under rapid temperature changes.
Semiconductor Package Qualification
Advanced semiconductor packages, including BGA, QFN, CSP, and power modules, undergo accelerated environmental testing using Galden® D 05 to identify potential failure mechanisms before mass production.
Automotive Electronics Reliability Testing
Electronic control units (ECUs), battery management systems (BMS), ADAS modules, and power electronics require rigorous thermal shock qualification to comply with demanding automotive reliability standards.
Aerospace and Defense Electronics
Mission-critical electronic systems must demonstrate stable performance under severe environmental conditions. Galden® D 05 supports repeatable qualification testing for aerospace electronics, avionics, and military equipment.
Medical and Industrial Electronics
Medical devices, industrial controllers, sensors, communication modules, and automation equipment benefit from accelerated thermal reliability testing using Galden® D 05 to improve long-term operational reliability.
Frequently Asked Questions
1. What is Galden® D 05 primarily used for?
Galden® D 05 is primarily used as a high-temperature PFPE heat transfer fluid in liquid-to-liquid thermal shock testing systems for evaluating the reliability of electronic components and assemblies.
2. Is Galden® D 05 electrically conductive?
No. Galden® D 05 is a dielectric PFPE fluid with excellent electrical insulation properties, making it suitable for direct immersion of electronic devices during testing.
3. Why do manufacturers choose Galden® D 05 instead of conventional heat transfer oils?
Compared with conventional oils, Galden® D 05 offers superior thermal stability, chemical inertness, non-flammability, excellent dielectric performance, cleaner operation, and longer service life, resulting in more repeatable and reliable qualification testing.
4. Which industries commonly use Galden® D 05?
Galden® D 05 is widely used in semiconductor manufacturing, automotive electronics, aerospace, medical devices, telecommunications, industrial automation, and electronics research laboratories.
5. Can Galden® D 05 be used together with other Galden® D Series fluids?
Yes. Many thermal shock testing systems use Galden® D 05 as the high-temperature bath together with Galden® D 02 or other Galden® D Series fluids for the low-temperature bath, depending on the required thermal shock profile and equipment design.
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