China Drying Newsletter "The production capacity of China's T300 carbon fiber has exceeded 10,000 tons per year, but the actual output is about 1 thousand tons per year." The high-tech fiber industrialization and application high-level seminar of the Chinese Academy of Engineering was held on December 15th. In the past, the introduction of experts in the materials industry suddenly reminded people of the term "overcapacity." However, more serious than this, T300 carbon fiber is only the low-end products in the field of high-performance fiber, while the high-end T700-class, T800-class carbon fiber in China is still in the experimental trial stage, currently relying mainly on imports.
The current low-end production capacity is too high, but the high-end ones are dependent on imports. This situation has caused great concern among experts in the materials science community in China. To this end, the Chinese Academy of Engineering held a high-level fiber industrialization and application high-level seminar on high-performance fiber preparation, application of innovative technologies and market expansion to discuss, in order to break the difficulties of China's high-performance fiber industrialization and application, and accelerate China's high performance The process of fiber industrialization.
According to Sun Jinliang, an academician of the Chinese Academy of Engineering and a professor at Shanghai University, carbon fiber is the only high-performance fiber in the high-temperature inert environment above 2000°C. It has a variety of unique and excellent performance: low density, high temperature resistance, corrosion resistance, and resistance Friction, fatigue resistance, high vibration attenuation, low coefficient of thermal expansion, high electrical and thermal conductivity, high electromagnetic shielding, excellent textile processability, etc. At present, carbon fiber composite materials have been widely used in aerospace and other advanced industrial fields. Zhou Lian, academician of the Chinese Academy of Engineering, pointed out that the application and industrialization of China's high-performance fibers has been constrained by factors such as technology, cost, and market. Over the years, it has not been able to completely break the bottleneck of engineering and industrialization, and fiber industrialization is still in primary development. At the stage, it severely restricted the development of our national defense and economy.
Experts at the meeting suggested that China's high-performance fiber field must integrate resources and cooperation, expand the market for high-performance fiber applications, vigorously develop high-performance fiber application technologies, and concentrate on cultivating large-scale enterprises to become the main force of the industry.
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