| 摘要 |
PROBLEM TO BE SOLVED: To provide a black color meta type all aromatic polyamide fiber small in temperature rising by radiation of infrared ray and having suppressed heat absorption.SOLUTION: There is provided a black color meta type all aromatic polyamide fiber having the content of an infrared ray transmission type black color dye pigment of 0.2 to 10 wt.%, the content of an infrared ray non-transmission type black color dye pigment of 0.1 wt.% or less, the average of transmission coefficients at wavelength of 1,000 to 1,500 nm of 50% or more and the average of transmission coefficients at wavelength of 1,500 to 2,000 nm of 30% or more.SELECTED DRAWING: None |
