The difference in high-temperature performance between siloxane resin and ordinary resin stems from the difference in their fundamental structures. Ordinary organic resins have carbon-carbon and carbon-oxygen bonds as the main chains, and their long-term operating temperature is usually no more than 250℃. They are prone to carbonization, decomposition, and pulverization failure at high temperatures. In contrast, siloxane resin has Si-N bonds as its core framework. After being subjected to heat treatment at 800-1000℃, it will undergo in-situ transformation into a dense silicon nitride oxide ceramic layer, achieving a "self-evolution" from a flexible coating to a hard ceramic. 
This unique high-temperature conversion property enables it to have a much higher temperature resistance limit than ordinary resins. Its long-term service temperature can reach 600 to 1000℃, and some formulations can still operate stably at temperatures above 1200℃. What's more remarkable is its thermal shock resistance. After being quenched and rapidly cooled at 700℃ for 2 hours, it can undergo 10 cycles of such cooling and freezing without any blistering or detachment, perfectly coping with sudden cooling and heating conditions of equipment. In extreme scenarios such as aerospace nozzles and industrial high-temperature furnaces, it can effectively resist high-temperature oxidation and flame scouring, while ordinary resins have completely failed in this environment.