Advantage 
Good construction performance: Organic high-temperature resistant coatings usually have suitable viscosity and rheological properties, and can be easily applied to various shapes of substrate surfaces through various conventional construction methods such as brushing, spraying, and dipping. The construction operation is relatively simple and easy to master, and can be cured into a film at room temperature or under certain heating conditions. The requirements for construction environment and equipment are not particularly strict, which is conducive to large-scale construction applications.
Strong adhesion: This type of coating has good adhesion to various common substrates such as metals, ceramics, and plastics, and can tightly adhere to the substrate without easy detachment, ensuring that the coating can continue to exert its protective and heat-resistant functions during use. For example, after appropriate surface treatment, organic silicon high-temperature resistant coatings can firmly adhere to metal substrates, laying the foundation for their subsequent use in high-temperature environments.
Good flexibility: Compared with some inorganic high-temperature resistant coatings, organic high-temperature resistant coatings have better film flexibility. When facing temperature changes, substrate deformation, and other situations, it can adapt well to the expansion and contraction of the substrate, and will not easily crack or peel off. For example, when used on the surface of high-temperature equipment with certain mechanical vibration or obvious thermal expansion and contraction, the integrity of the coating can still be maintained.
Diverse comprehensive performance: In addition to high temperature resistance, it often has other excellent properties. For example, organic silicon high-temperature resistant coatings have good weather resistance, which can resist the erosion of ultraviolet rays, wind and rain in outdoor environments, and maintain stable appearance and performance for a long time; Fluororesin high-temperature resistant coatings have excellent chemical stability and can withstand corrosive media such as acids, alkalis, and salts. They can also effectively protect high-temperature areas in complex chemical environments.

Shortcoming
Relatively low high temperature resistance limit: Although organic high temperature resistant coatings can be used within a certain range of high temperatures, their high temperature resistance limit is generally lower compared to inorganic high temperature resistant coatings, especially ceramic and some phosphate based inorganic coatings. Most organic high-temperature resistant coatings have a long-term usage temperature of several hundred degrees Celsius, making it difficult to withstand ultra-high temperatures (such as over 1000 ℃). For example, organic silicon high-temperature resistant coatings often have a long-term usage temperature between 200-800 ℃, beyond which the coating performance will rapidly decline or even fail.
Easy aging and decomposition under high temperature: When exposed to high temperature for a long time, organic components are prone to chemical changes such as aging, oxidation, and decomposition, resulting in a deterioration of the physical and mechanical properties of the coating, such as reduced hardness, decreased adhesion, discoloration, powdering, etc., which in turn affects its protective effect and service life on the substrate, limiting its application in some long-term high temperature conditions that require extremely high temperature stability.
There are certain limitations to environmental protection: some organic high-temperature resistant coatings may use volatile organic compounds (VOCs) such as organic solvents in the production process, which will evaporate into the air during construction and curing, causing pollution to the environment. In addition, organic solvents are flammable and explosive, posing certain safety hazards; At the same time, some discarded organic coating materials are difficult to degrade in the natural environment and are relatively challenging to handle.

Room termperature curing polysilazane, pls check IOTA 9150, IOTA 9150K. 
High termperature curing polysilazane, pls check IOTA 9108, IOTA 9118.