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May 07, 2021

Why is carbon fiber so expensive?

Carbon fiber composite is a kind of composite material with excellent performance, which is widely used in aerospace, automobile, UAV and other fields. Due to the complex production process and relatively high price of carbon fiber, it is not common in daily life. However, carbon fiber material, a new material with high performance, has excellent material properties such as light weight, high strength and corrosion resistance, there are many areas that want to use carbon fiber composites instead of traditional materials to improve the overall performance of products.

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However, many customers who contact carbon fiber manufacturers will find that the cost of using carbon fiber is much higher than traditional materials, so they will ask why carbon fiber composites are so expensive? So, today I'd like to explain to you why carbon fiber composites are so expensive.


1. carbon fiber raw material itself carbon fiber production technology monopoly in Japan, the United States and other developed countries, because of the defense industry, China has been a strict technical blockade. In the past, carbon fiber was almost not made in France. Through the support of national policy and the efforts of domestic enterprises, domestic carbon fiber has been able to mass-produce carbon fibers below T800, but the quality of the products is slightly worse than that of Nissan. T800 products can only be produced in small quantities, T800 and M series can not be mass produced in China, raw silk materials are monopolized or even banned by foreign countries, so the price is relatively high. In addition, the production of carbon fiber material itself is more expensive, and the process is very complex, so the price of carbon fiber precursor are not cheap. At present, low-end carbon fiber can be mass produced at home and low-cost industries abroad, the price of raw silk is much cheaper than before, but good carbon fiber materials are still high-priced products.


2. Carbon fiber composite fabrication process carbon fiber precursor to be used must be made of composite materials in order to be specifically processed into the desired products, carbon fiber silk needs to be woven into cloth, and also needs to be combined with resin to make prepreg. Carbon fiber products need high temperature curing, vacuum introduction, autoclave and other production processes, the production process is very complex, high precision requirements, high requirements for technical personnel. In the development and design of carbon fiber products, a lot of experiments are needed, such as salt spray resistance, corrosion resistance, wave permeability test, etc. . Some carbon fiber products need high temperature resistance, high strength, resin and fiber type selection will also increase the price of carbon fiber products. At present, the carbon fiber market belongs to the emerging industry, many products belong to the pre-research stage, less standardized products. As a result of the overall research and development, design, experiments and other costs are included in the cost of products, so the price of carbon fiber products high. To achieve a certain number of orders of products, cost-effective or more cost-effective. A carbon fiber products demand friends can and intel new material technology docking, so that the domestic carbon fiber industry faster, more mature development.


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