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Comparison of dyeing properties between dyeable spandex and ordinary spandex: (a,c,e): dyeable spandex and fabric woven from dyeable spandex and Nylon 6 dyed with yellow, red, and black dyestuffs, respectively; (b,d,f): ordinary spandex and fabric woven from ordinary spandex and Nylon 6 dyed with yellow, red, and black dyestuffs, respectively.
