描述
3M Fluorinert FC-40 Electronic Liquid Wide Range Heat Transfer
Material: PFC (Perfluorocarbon)
Boiling Point: 165°C
Viscosity (25°C): 2.2 cSt
Pour Point: -57°C
Packing: 20 kg / drum
3M Fluorinert FC-40 is a clear, colorless, thermally stable, fully-fluorinated electronic liquid designed for single-phase heat transfer applications. With a wide liquid range of -57°C to 165°C, this high-purity perfluorocarbon (PFC) fluid delivers exceptional performance across semiconductor manufacturing, data center cooling, power electronics, and aviation electronics. As a primarily single-compound fluid, FC-40 maintains consistent composition without fractionation over time, ensuring stable transport properties and minimal fluid loss.
FC-40 offers outstanding dielectric properties — dielectric strength 46 kV, dielectric constant 1.9, and electrical resistivity 4.0×10¹⁵ ohm cm — providing reliable electrical insulation for sensitive electronic equipment. Its nonflammable nature and zero ozone depletion potential ensure safe and environmentally responsible operation. With a shelf life of 60 months and compatibility with most metals, plastics, and elastomers, FC-40 delivers reliable long-term performance in demanding heat transfer and testing applications.
Genuine 3M Imported Stock and Technical Support
We supply stable spot inventory of genuine 3M Fluorinert FC-40 electronic liquid. Official TDS, SDS, and batch COA documents are available for semiconductor, data center cooling, and high-performance heat transfer applications.
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Complete SDS, COA, and customs clearance documents available
Core Advantages of 3M Fluorinert FC-40 Electronic Liquid
- Wide liquid range: -57°C to 165°C — versatile single-phase heat transfer across broad temperature spectrum
- Excellent dielectric properties — dielectric strength 46 kV, dielectric constant 1.9, resistivity 4.0×10¹⁵ ohm cm
- Single-compound composition — no fractionation or composition shift over time, stable performance
- Long shelf life: 60 months — extended storage stability in original packaging
- Exceptional thermal stability — thermally stable and chemically inert for demanding environments
- Nonflammable — no flash point, safe operation in high-temperature applications
- Zero ozone depletion potential — environmentally responsible formulation
- Broad material compatibility — compatible with most metals, plastics, and elastomers
Main Applications
- Semiconductor manufacturing — etchers, ion implanters, testers, wafer processing equipment
- Data center cooling — single-phase immersion cooling for high-performance computing
- Power electronics — cooling of IGBT modules, inverters, and power conversion equipment
- Aviation electronics — avionics cooling, radar systems, electronic warfare equipment
- Electronics testing — thermal testing, component characterization, inert reaction media
- Industrial heat transfer — thermal management systems, heat exchangers, chillers
Full Technical Parameters
| Property | Typical Value | Test Method |
| Material | Perfluorocarbon (PFC) | — |
| Appearance | Clear colorless liquid | Visual |
| Average Molecular Weight | 650 g/mol | — |
| Boiling Point (@1 atm) | 165°C | ASTM D1078 |
| Pour Point | -57°C | ASTM D97 |
| Liquid Density (25°C) | 1.855 g/cm³ | ASTM D891 |
| Kinematic Viscosity (25°C) | 2.2 cSt | ASTM D445 |
| Absolute Viscosity (25°C) | 4.1 cP | — |
| Liquid Specific Heat | 1100 J kg⁻¹ °C⁻¹ | — |
| Liquid Thermal Conductivity | 0.065 W m⁻¹ °C⁻¹ | — |
| Surface Tension | 16 dynes/cm | — |
| Refractive Index | 1.29 | — |
| Dielectric Strength (0.1″ gap) | 46 kV | ASTM D877 |
| Dielectric Constant (@1 kHz) | 1.9 | ASTM D150 |
| Electrical Resistivity | 4.0×10¹⁵ ohm cm | ASTM D257 |
| Ozone Depletion Potential | 0 | — |
| Flash Point | None | — |
| Shelf Life | 60 months | — |
Note: All listed figures are typical values and may vary by production batch. Complete independent qualification testing is required before mass production deployment.
Handling and Storage Recommendations
| Storage Rules | Store sealed original containers in a dry, well-ventilated area away from heat sources and direct sunlight. |
| Shelf Life | 60 months from date of manufacture when stored in original packaging at 21°C and 50% RH. |
| Forbidden Environments | Avoid exposure to open flames, strong oxidizing agents, and reactive metal powders. |
| Operation Protection | Maintain adequate ventilation. Wear nitrile protective gloves and anti-splash safety goggles during handling. |
Official Technical Documentation
| Document Type | Document Introduction | Document Request |
| TDS | 3M Fluorinert FC-40 original factory technical data sheet | Request TDS |
| SDS | Safety data sheet covering transport, storage, and handling guidelines | Request SDS |
| COA | Batch-specific certificate of analysis for incoming goods inspection | Request COA |
Frequently Asked Questions
What is the boiling point of Fluorinert FC-40?
Fluorinert FC-40 has a boiling point of 165°C at 1 atm and a pour point of -57°C, offering a wide liquid range of -57°C to 165°C for versatile heat transfer applications.
What is the viscosity of Fluorinert FC-40?
Fluorinert FC-40 has a kinematic viscosity of 2.2 cSt at 25°C and an absolute viscosity of 4.1 cP, providing excellent flow characteristics for single-phase heat transfer.
What is the shelf life of Fluorinert FC-40?
Fluorinert FC-40 has a shelf life of 60 months from the date of manufacture when stored in original packaging at 21°C and 50% relative humidity.
What applications is Fluorinert FC-40 suitable for?
Fluorinert FC-40 is ideal for semiconductor manufacturing (etchers, ion implanters, testers), data center cooling, high-performance computing, power electronics, aviation electronics, and electronics testing.
Is Fluorinert FC-40 flammable?
No. Fluorinert FC-40 is nonflammable with no flash point, providing safe operation in high-temperature and electrically sensitive environments.
What is the dielectric strength of Fluorinert FC-40?
Fluorinert FC-40 has a dielectric strength of 46 kV (0.1 inch gap), a dielectric constant of 1.9, and electrical resistivity of 4.0×10¹⁵ ohm cm, making it an excellent dielectric fluid for electronics cooling.
How does Fluorinert FC-40 compare to FC-3283?
FC-40 has a wider liquid range (-57°C to 165°C) compared to FC-3283 (-65°C to 128°C). FC-40 has higher viscosity (2.2 cSt vs 0.75 cSt) and higher molecular weight (650 vs 521), making it suitable for different heat transfer requirements.
Related Fluorinert Series Fluids
Compare 3M Fluorinert electronic liquids for different heat transfer and application requirements.
| Product Grade | Boiling Point | Viscosity (25°C) | Pour Point | Dielectric Strength | Molecular Weight | Core Application |
| Fluorinert FC-40 | 165°C | 2.2 cSt | -57°C | 46 kV | 650 | Wide range heat transfer |
| Fluorinert FC-3283 | 128°C | 0.75 cSt | -65°C | >40 kV | 521 | Low viscosity heat transfer |
| Fluorinert FC-3284 | 50°C | 0.42 cSt | -73°C | 40 kV | 299 | Ultra-low boiling point cooling |
Get 3M Fluorinert FC-40 Bulk Pricing and Technical Support
We supply genuine 3M Fluorinert FC-40 electronic liquid for semiconductor, data center cooling, and wide-range heat transfer applications. Contact us for bulk pricing, sample availability, technical documents, and application support.
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Disclaimer: All technical data on this page are for general guidance only and are not product specifications. Buyers must carry out independent trials and verify suitability before bulk ordering. Actual values may vary between production lots.
