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 |