| abstract |
【Task】 A carbon fiber bundle having excellent abrasion resistance, bundling property, fiber opening and widening properties, and particularly suitable for producing a thinner unidirectional prepreg having a basis weight of carbon fiber of 30 to 100 g / m 2. I do. [Solution] A carbon fiber bundle having substantially no twist and having a sizing agent attached thereto, wherein a drape value D 25 at 25 ° C. is in the range of 10 to 20 cm and a ratio D to a drape value D 80 at 80 ° C. 80 / D 25 is in the range of 0.3 to 0.7, and the thickness is in the range of 50~150tex / mm. [Selection diagram] None |