| 摘要 |
PROBLEM TO BE SOLVED: To provide a preform that provides a molded product having few pinholes and high surface quality while maintaining appearance quality as a preform.SOLUTION: The preform is used for resin transfer molding and is obtained by laminating a plurality of fiber base materials in which a tackifier adheres to at least one surface of a fiber sheet and performing solidification with the tackifier. The fiber base material disposed at the outermost layer of at least one surface of the preform has more adhesion amount of the tackifier than the other fiber base materials. |
