High-temperature insulation materials play a vital role in modern industry, construction engineering and aerospace fields. With their excellent thermal insulation properties, this type of material effectively improves energy efficiency and provides reliable thermal protection for equipment and buildings, thereby extending their service life. There are many types of high-temperature insulation materials, the common ones are asbestos, glass fiber, ceramic fiber and advanced new materials. Each material has its own unique characteristics and scope of application. For example, fiberglass is widely used in construction and home equipment due to its good thermal insulation effect and lower cost. Ceramic fiber, on the other hand, is mainly used in high-temperature environments such as metallurgy and boilers due to its high-temperature resistance. Latest research shows that new high-temperature insulation materials have made significant progress in improving thermal resistance performance and reducing weight. According to relevant data, the thermal conductivity of a new type of thermal insulation material is about 30% lower than that of traditional materials, making it more superior in high-temperature environments. Market trends also show that enterprises' demand for high-temperature insulation materials is increasing, especially in the context of increasingly stringent energy conservation and consumption reduction and environmental protection requirements. This requires companies to conduct comprehensive evaluations based on specific application scenarios when selecting high-temperature insulation materials in order to select the most appropriate materials. In short, high-temperature insulation materials are an integral part of modern industry and play a key role in improving energy efficiency and equipment life. Through continuous technological innovation and scientific research, this field has broad prospects, providing enterprises and users with more diverse choices and better solutions.