Dyeing
Because rayon/nylon filament / modified polyester filament / Lycra do not contain natural impurities, they have better whiteness in itself, so they can be dyed directly without pretreatment. A. dyeing rayon process To dye dark green / Rosiness/ Pink rayon as an example. dyed green rayon. Rayon dyeing process, prescription, and condition Prescription and condition (bath ratio 1:10): Reactive yellow HE4R 0.121% Reactive Blue H-EGN 0.205% Na2S04 50 g/L Na2C03 15 g/L Softener PA 1 g/L Penetrant JFC l.0 g/L The heating rate 1.O℃/min The holding time 80℃×30 min B. Dyeing of nylon filament / modified polyester filament Dye the nylon filament rose color and the modified polyester filament pink. Dyeing process of nylon filament / modified polyester filament Prescription and condition (bath ratio 1:10): Acid red RLS 0.0585% Acid yellow PA-1 0.0103% Acid blue PA-1 0.014% Cationic (red) GRL 200% 0.0012% Cationic (yellow) GL EC 400% 0.0083% Cationic (blue) ...