An extremely strong thin fiber made by pyrolyzing synthetic fibers, such as rayon, until charred. It is used to make high-strength composites.

• 碳纤维，碳化纤维：一种极其坚韧的细纤维，通过热解合成纤维直到烧焦而制成，如人造丝。该种纤维用于制作高强度的复合材料