1. Test the ability to remove the fixing agent:
The principle of solid agent and the description of testing process : prepare oxygen bleached cotton cloth, using fixing agent 4% O.W.F 40 ℃ x 20 min, then dry; fixing agent remover 4%, 98 ℃ * 30 min, remove the fixing agent; dye the removed cloth sample and blank blank cloth sample( unremoved after fixation ) in the same bath to same color for example, red 0.05%. Determine the ability by comparing the shade of color. Lighter color shows better removing ability.
2. Test the damaging degree to color:
Choose bright red color to dye the fabric, fixing after dyeing, and then use different fixing agent removers to remove fixing agent. Compare the change of color after removing. If only the removing effect is good but the saturation changes a lot, it will dyed the original bright color.
3. Text the change of color light:
Choose deep blue color to dye, fixing after dyeing, and then use different fixing agent removers to remove fixing agent., see the change degree of chromatic light. Some fixing agent remover will change the color light a lot, which lead the difficulty of adding color.
HT Fine Chemical Co., Ltd focus on textile auxiliaries chemicals. With years' production and exporting experience and long term cooperation with colleges and institutes, we are qualified to supply high quality and large amount of chemicals for large scale textile processing companies worldwide. If you are interested to buy fixing agent remover, feel free to contact.