“黑色黄金”重大突破！填补全球空白

Group 1 - The core viewpoint of the article highlights the global debut of China's T1200-grade ultra-high-strength carbon fiber, marking a significant advancement in the production field [1] - The T1200-grade carbon fiber, developed by China National Building Material Group, is not just a laboratory sample but an industrial product capable of mass production at a scale of hundreds of tons [1] - This achievement makes China the first country in the world to achieve mass production of T1200-grade carbon fiber at a scale of hundreds of tons [1] Group 2 - In the carbon fiber sector, the number following "T" indicates the tensile strength grade, with higher numbers representing superior performance [1] - The diameter of T1200-grade carbon fiber is less than one-tenth that of a human hair, yet its tensile strength is ten times that of ordinary steel, while its density is only one-fourth that of steel, showcasing its lightweight and toughness [1]