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The chemical compatibility and corrosion resistance of fluorosilicone oil are its core advantages, primarily demonstrated in the following aspects:
1. Chemical Compatibility
Inert Molecular Structure
The extremely high fluorine-carbon bond energy within fluorosilicone oil molecules makes it extremely chemically inert and exhibits excellent resistance to strong acids, bases, and organic solvents. For example, in chemical equipment, it can withstand corrosion from a variety of corrosive chemicals.
Wide Material Compatibility
It is compatible with a variety of materials, including metal, rubber, plastic (including engineering plastics), and glass, making it particularly suitable for use in precision parts that come into contact with the human body in medical devices. In the electronics field, its low dielectric loss ensures stable compatibility with circuit components.
2. Corrosion Resistance
Extreme Environmental Stability
Within a temperature range of -60°C to 260°C (medical-grade products can reach this range), fluorosilicone oil maintains a stable molecular structure, preventing performance degradation due to high-temperature oxidation or low-temperature solidification.
Long-Term Protection Mechanism
Fluorosilicone oil forms a dense protective film on metal surfaces, blocking the penetration of moisture, oxygen, and corrosive media (such as salt spray and industrial exhaust). For example, fluorosilicone anti-corrosion coatings can achieve a protection period of over 20 years due to this property.
Medium Corrosion Resistance
It is resistant to animal and vegetable oils, mineral oils, and transformer oils, and performs exceptionally well in applications such as drag reduction treatment for oil pipelines and sealing oilfield equipment.
3. Typical Applications
Medical Sterilization: Withstands 260°C high-temperature and high-pressure sterilization, protecting surgical instruments from disinfectant corrosion.
Electronic Insulation: When used as a coolant/insulating medium, it resists electrolyte corrosion and protects delicate circuits.
Industrial Corrosion Protection: Used in chemical equipment sealing and marine facility coatings to withstand highly corrosive environments.
Textile Treatment: Fluorosilicone oil-containing cotton provides corrosion protection through its water and oil repellency.