1. Aerospace field
In the aerospace field, polysilazane can be used as a ceramic precursor to manufacture high-temperature and corrosion-resistant ceramic parts. These parts are used in extreme environments, such as high temperature, high humidity and strong chemical corrosion environments. Polysilazane coatings can effectively protect the substrate from corrosion. In addition, polysilazane coatings can also be used to protect high-temperature parts of aircraft engines to prevent them from being damaged in high temperature and corrosive gas environments.

2. Semiconductor industry
In semiconductor manufacturing, polysilazane coatings are used to protect chips and electronic components. Due to its excellent corrosion resistance, polysilazane can remain stable in acidic, alkaline and organic solvent environments, preventing the chip surface from being corroded, thereby improving the reliability and service life of the chip.

3. Metal anti-corrosion coating
Polysilazane coating has a significant effect on metal anti-corrosion. For example, polysilazane coating is applied on aluminum and there is no corrosion after 2400 hours of salt spray test. In addition, polysilazane coating can also be used for steel anti-corrosion, which can effectively prevent steel from rusting even in high temperature and humid environment.

4. High temperature resistant coating
Polysilazane exhibits excellent corrosion resistance in high temperature environments. For example, polysilazane coating can be used for a long time in a high temperature environment of 400℃-500℃ without cracking, falling off or changing color. This high temperature corrosion resistance makes it have important application value in the protection of materials such as electric heating equipment and high temperature alloy steel.

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