| 摘要 |
PROBLEM TO BE SOLVED: To provide a yacht sail that is lightweight and has excellent tensile resistance and strength as well as excellent resistance to light. SOLUTION: This light-resistant yacht sail comprises a fabric at least partially including polybenzazole fibers to which a light-fastness agent, for example, an oxidation dye compound that can reduce the regular reflection factor of the fiber to <=30% in >=30% area in the wavelength range from 450 to 700 nm.
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