Fluorosilicone oil performs well in extreme working environments, mainly due to its unique chemical structure and excellent physical properties. The following is a detailed analysis of the performance of fluorosilicone oil in extreme working environments:

1. High and low temperature resistance
Fluorosilicone oil has very good thermal stability and can maintain its physical properties at extremely high or low temperatures, making it suitable for extreme temperature environments. Specifically, fluorosilicone oil can be used in an open system at a temperature range of -40~240℃, showing its wide operating temperature range. This gives fluorosilicone oil unique advantages in areas such as high-temperature heating, steam power circulation systems, and lubrication of bearings in extremely low and high temperature environments.

2. Chemical resistance
Fluorosilicone oil has strong corrosion resistance and solubility resistance to a variety of chemicals, including acids, alkalis, solvents, etc. This chemical inertness makes fluorosilicone oil widely used in the chemical industry, especially in vacuum pump lubricants for handling chemical reaction gases, and in situations where it is chemically inert to fuels and other chemicals. In addition, fluorosilicone oil also has a high flash point and ignition point, does not dissolve gas at high temperature, and is insoluble in most solvents and oils, which further enhances its stability in extreme chemical environments.

3. Lubrication performance
Fluorosilicone oil has good lubricity and can be used for certain high-sealing, high-temperature, and high-viscosity lubrication work. Under extreme pressure conditions, fluorosilicone oil can still maintain good lubricity, which makes it an ideal choice for advanced lubricants in the watch industry and micro-mechanical industry. In addition, fluorosilicone oil can also be used as a lubricant, defoamer, surface treatment agent, release agent and additive in cosmetics, petroleum, leather, paper and medicine.

4. Insulation performance
Fluorosilicone oil can maintain a certain insulation, which makes it widely used in the fields of electrical and electronic component manufacturing and motor insulation. Its excellent electrical insulation performance ensures the safe operation of electrical equipment in extreme working environments.

5. Other properties
In addition to the above properties, fluorosilicone oil also has the characteristics of low surface tension, low refractive index, low friction coefficient, low volatility, waterproof and oil resistance. These properties make fluorosilicone oil also have broad application prospects in the fields of optical equipment, thermal equipment, metallurgical synthesis and aviation lubrication.

In summary, fluorosilicone oil performs well in extreme working environments, with high and low temperature resistance, chemical resistance, good lubricity, insulation and many other excellent properties. These properties make fluorosilicone oil have wide application value in many fields and can meet various needs in extreme working environments.