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Dyeing and finishing process
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Dyeing and finishing process:


General dyeing and finishing conditions for spandex fabrics:
 

Fabrics

Heat Set(Dry Heat)

Dye(Wet Heat)

Bleach

Polyester+Spandex

195-200℃,30-60seconds(sec)

~125℃,30-40minutes(min)

PH:4-5

Minimize the amount of bleaching agent. For the bleaching of cotton spandex fabrics, it is recommended to use hydrogen peroxide bleaching instead of chlorine-containing bleaching agents.

Nylon+Spandex

~190℃,30seconds(sec)

~100℃,~30minutes(min)

PH:4-5

Cotton+Spandex

170-180℃,~60seconds(sec)

~60℃,4-7hours(hrs)

PH:7-10

 

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