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我国自主研发的60K大丝束碳纤维正式发布
Ke Ji Ri Bao·2025-09-18 07:34

Core Viewpoint - China Petrochemical Corporation (Sinopec) has unveiled a new 60K large tow carbon fiber product at the 28th China International Composite Materials Exhibition, marking a significant advancement in the domestic carbon fiber market and filling a market gap [1] Group 1: Product Development - The 60K large tow carbon fiber is a domestic first, expanding Sinopec's production capabilities to nearly 20 models across various tow specifications, including 24K, 48K, and 60K [1] - The new product enhances the existing range of carbon fiber offerings, which includes both general and high-performance fibers, contributing to a self-sufficient carbon fiber industry chain in China [1] Group 2: Industry Context - Carbon fiber, known as "the king of new materials" or "black gold," has superior properties, being less than a quarter the weight of steel while having 7 to 9 times its strength, and is resistant to corrosion [3] - Traditionally, China's carbon fiber development has focused on small tow fibers, but Sinopec has made significant strides in large tow fiber production, achieving industrialization of 48K fibers in 2022 and now 60K fibers [5] Group 3: Technical Advancements - The 60K carbon fiber exhibits a 23% increase in tensile strength compared to 48K fibers and a 5% increase in elastic modulus, making it suitable for larger offshore wind turbine blades [5] - Sinopec is the first in China and the fourth globally to master large tow carbon fiber technology, having made significant technological breakthroughs since 2018 [6] Group 4: Future Outlook - The company has filed 842 patents in the carbon fiber and composite materials sector, ranking first in China and third globally, with plans to strengthen the carbon fiber industry chain and provide high-end material solutions for "Made in China" initiatives [6]