What is Discharge Screen Printing? Discharge inks work by removing the dyed areas of reactive dyed dark garments to create a different colour in its place. The pigments used in discharge inks are impervious to the discharge process so essentially, they replace the colour that was there previously on the garment.
84136°NaOH 1%~3%; Perchlorate 15%~20%; synthetic detergent 5%~8%; bath ratio 1:25~30; 98~100℃; 20~30min (until all color is removed). After all color is removed, gradually cool down, wash thoroughly with water, then use 0.5ml/L acetic acid at 30℃ for 10min to fully neutralize the alkali remaining on the nylon, and then wash with water.