Phenyl silicone oil has a wide range of applications in the aerospace field, mainly due to its excellent high and low temperature resistance, electrical insulation, lubricity, radiation resistance and chemical stability.

1. Lubrication and sealing of aerospace engines
High temperature lubrication: Aerospace engines operate under high temperature and high pressure environments, and have extremely high requirements for the heat resistance of lubricating materials. Phenyl silicone oil has excellent thermal stability and can maintain lubrication performance at high temperatures, reduce wear of engine components and extend service life.
Sealing materials: Phenyl silicone oil can be used for lubrication and filling of engine seals to prevent high temperature gas leakage and improve engine efficiency and reliability.

2. Insulation and heat dissipation of aerospace electronic equipment
Electrical insulation: Phenyl silicone oil has good electrical insulation properties and can be used for insulation protection of aerospace electronic equipment to prevent arc discharge and short circuit and ensure the normal operation of the equipment.
Heat dissipation medium: In aerospace electronic equipment, phenyl silicone oil can be used as a heat dissipation medium to help the equipment dissipate heat and prevent performance degradation or damage caused by overheating.

3. Surface treatment and protection of aerospace materials
Anti-corrosion coating: Phenyl silicone oil can be used for surface treatment of aerospace materials to form an anti-corrosion coating to protect the materials from erosion in harsh environments (such as high temperature, high humidity, salt spray, etc.).
Drag reduction coating: Coating phenyl silicone oil on the surface of aerospace vehicles can reduce air resistance during flight and improve flight efficiency.

4. Hydraulic and control systems of aerospace vehicles
Hydraulic oil: Phenyl silicone oil can be used as hydraulic oil for aerospace vehicles to control the rudder, landing gear and other components of the aircraft to ensure its flexibility and reliability.
Damping material: In the control system of aerospace vehicles, phenyl silicone oil can be used as a damping material to absorb vibration and shock and improve the stability of the system.

5. Thermal management and insulation of aerospace vehicles
Thermal management: Phenyl silicone oil can be used in the thermal management system of aerospace vehicles to help regulate the temperature of equipment and prevent overheating or overcooling.
Insulation material: In the thermal insulation layer of aerospace vehicles, phenyl silicone oil can be used as a filling material to improve thermal insulation performance and protect internal equipment from high temperatures.

6. Fuel and propulsion systems of aerospace vehicles
Fuel additives: Phenyl silicone oil can be used as a fuel additive to improve the combustion performance of fuel and increase the thrust and efficiency of the engine.
Propellant: In some special applications, phenyl silicone oil can be used as part of the propellant for attitude control or orbit adjustment of aerospace vehicles.

7. Life support system of aerospace vehicles
Oxygen system: Phenyl silicone oil can be used in the oxygen system of aerospace vehicles as a lubricating and sealing material to ensure the safety and reliability of oxygen supply.
Water circulation system: In the water circulation system, phenyl silicone oil can be used as an anti-corrosion and lubricating material to protect pipes and valves and extend the service life of the system.
Advantages of phenyl silicone oil in the aerospace field
High and low temperature resistance: Phenyl silicone oil has excellent high and low temperature resistance and can remain stable in extreme temperature environments.
Electrical insulation: Good electrical insulation makes it suitable for the protection of aerospace electronic equipment.
Chemical stability: Phenyl silicone oil is stable to most chemicals, not prone to chemical reactions, and is suitable for use in harsh environments.
Lubricity: Excellent lubricity can reduce the wear of mechanical parts and improve the reliability and life of equipment.
Radiation resistance: In the aerospace field, the radiation resistance of phenyl silicone oil enables it to withstand cosmic ray radiation and is suitable for long-term space flight missions.