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Non-conductive, fully-fluorinated fluid for heat transfer applications in the sensitive & complex electronics & semiconductor industry. Liquid Phase (-127°C to 95°C)
Fluorinert™ FC-770 is a heat transfer fluid with key properties including Inertness, high dielectric strength and electrical resistivity. Typically used in single or dual-phase direct contact systems in electronics. 3M Fluorinert™ Liquid FC-770 provides long-term fluid performance and heat transfer across a wide liquid range.
Appearance: Clear, colorless
Average Molecular Weight: 339
Boiling Point (1 atm): 95°C
Pour Point: -127°C
Calculated Critical Temperature: 511 K
Latent Heat of Vaporization (at normal boiling point): 85.9 J/g
Liquid Density: 1793 kg/m3
Kinematic Viscosity: 0.79 centistokes
Absolute Viscosity: 1.359 centipoise
Coefficient of Expansion: 0.00148 °C-1
Surface Tension: 10 dynes/cm
Refractive Index: 1.27
Water Solubility: 14 ppmw
Solubility in Water: 1.3 ppmw
Primary Chemistry:
PERFLUORO COMPOUNDS
Thermal Fluid Reactivity & Degradation
Poor Conductivity Resistance
Difficult to Remove Residue
Liquid and Elastomer Incompatibility
Fluorinert™ FC-770 is used for a range of thermal transfer processes in sensitive applications, including:
Cooling ion implanters, dry etchers and CVD machines
Thermal shock and testing equipment
Direct contact single and two-phase coolant in certain supercomputers and sensitive military electronics
High voltage transformers
Power electronics
Cooling Ion implanters.
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