Flexible carbon-based fiber is carving a niche in the specialty textile sector. A Zhejiang-based new materials company has spent seven to eight years iterating on a product priced at RMB 80,000-90,000/ton, directly benchmarking high-performance aramid. The price is far from affordable, but its non-flammable, non-drip properties under instantaneous temperatures of 1800°C are prompting firefighting and new energy sectors to seriously consider this domestic substitution route.
Technical Breakthrough: From Shedding to Non-Flammable Iteration
The material, branded 'Rouhuo', is not ordinary carbon fiber but an organic-inorganic hybrid modified carbon fiber intermediate. The first-generation product 'Carbonlon' exposed issues such as insufficient strength, poor abrasion resistance, and black debris shedding, forcing the team to change the source process. They introduced polymer modification during the spinning of carbon fiber precursor, developed proprietary oil agents and sizing agents, and retrofitted spinning equipment to address the common industry challenge of carbon fiber's rigidity and difficulty in spinning into yarn.
The iterated 'Rouhuo' shows significantly improved strength and abrasion resistance, but high cost and limited color options remain two major weaknesses. The key here is that carbon fiber modification is not a simple formula adjustment but a systematic project involving precursor, oil agents, and equipment. For buyers, this means suppliers must possess complete technology packages rather than optimization capabilities in a single link.
Industrial Application: Firefighting as Core, New Energy and Overseas Markets Follow
Emergency firefighting is the current core track for 'Rouhuo'. The material achieves zero melting and zero dripping, withstanding instantaneous temperatures up to 1800°C; in live flame tests, the material did not ignite. The company has participated in drafting the industry standard for new energy vehicle fire-blankets led by the China Fire Protection Association, supplied firefighting suit fabrics to forest fire departments in Heilongjiang, collaborated with Xiaoshan Lantian Zhihui on protective clothing for firefighting robot dogs and robots, and established business cooperation with fire brigades in Hubei and Fujian.
The new energy sector is the second growth point, with applications in energy storage equipment, new energy vehicle chassis, seats, and storage motors. In overseas markets, Japan's mandatory standards triggered by frequent battery explosion incidents have driven demand for battery fire-proof bags, and the company has exported related products to Japan. Domestically, emergency firefighting is policy-driven, and mandatory regulations have not yet been implemented, so similar products have not been widely adopted. This means overseas standards lead while domestic policy lags, and companies need to navigate the pace difference between the two markets.
Cost and Collaboration: Barriers and Breakthroughs for Civil Use
The RMB 80,000-90,000/ton price point determines that 'Rouhuo' cannot enter the civil market in the short term. Scenarios such as home curtains, sofas, and hotel carpets have potential, but cost constraints are obvious. However, in the defense and military sector, special protective clothing, chemical protective suits, and protective hoods are relatively price-insensitive, offering a clearer path to monetization.
The company is collaborating with local carbon fiber precursor enterprises in Shaoxing to promote supply chain synergy and using digital tools to connect with industry resources. The team is currently in talks with two quasi-listed energy storage companies for financing cooperation, leveraging industrial capital to accelerate technological iteration. Meanwhile, the company is applying for the Science and Technology Progress Award from the China Textile Industry Federation—not just as technical endorsement but as a key to lowering the threshold for downstream major customer cooperation.