
AD-40 Fluorinated Engineering Fluid is a high-purity, non-conductive perfluorinated liquid designed for advanced thermal management and electronic reliability applications. Engineered with strong chemical inertness and thermal stability, AD-40 delivers consistent performance in environments requiring precise heat transfer and dielectric insulation.
The fluid is widely used across semiconductor manufacturing processes including etchers, ion implanters, and electronic test systems where stable single-phase cooling and material compatibility are critical. Its controlled boiling characteristics and low surface tension support efficient thermal transport while minimizing residue and contamination risks.
Beyond semiconductor equipment, AD-40 is applied in data center cooling, high-performance computing, avionics, and power electronics where dependable heat dissipation and electrical safety are essential. These properties make AD-40 a versatile solution for immersion cooling, precision testing, and industrial heat transfer systems demanding reliable fluorinated fluid performance.
| Property | FC-40 | AD-40 |
|---|---|---|
| Boiling Point | 165 °C; operating range –57 °C to 165 °C | 165 °C (identical by spec) |
| Pour/Freezing Point | –57 °C | –57 °C |
| Density | 1855 kg/m³ | Same |
| Kinematic Viscosity (25 °C) | 2.2 cSt (abs: 4.1 cP) | Same |
| Dielectric Constant | 1.9 @ 1 kHz | Same |
| Dielectric Strength | 46 kV (0.1" gap) | >40 kV |
| Thermal Conductivity (25 °C) | 0.065 W/m·K | Same |
| Latent Heat of Vaporization | 69 J/g | Same |
| Surface Tension | 16 dynes/cm | — |
| Water Solubility | <5 ppmw | — |
| GWP / ODP | Zero ODP; high GWP | Same |
| Materials Compatibility | Excellent with most metals/plastics | Same |
| Toxicity & Safety | Low toxicity, nonflammable | Similar |