| 摘要 |
A synthetic fiber for wadding which has a plurality of projections in its cross section and a section deformation ratio (S) of not less than 5000/ 2ROOT D (wherein D is a monofiber denier) and which has the following physical characteristics: Monofiber denier (D, denier): 0.1 to 3; Coefficient of inter-fiber static friction ( mu s): not more than 0.14; Crimp number (CN, number/25 mm): 4 to 14; Ratio of crimp index and crimp number (Ci(%)/CN): 0.6 to 1.8; H0.2 (cm): not less than 7.3; H0.2/H25 (cm/cm): not less than 6.5; delta D (g/cm2/cm): not more than 0.4. |
