皂洗牢度是指染色制品于规定条件下，在肥皂液中皂洗后褪色的程度，它包括原样褪色及白布沾色两项。
结果表明，整理后的棉织物抗紫外线性能优异，U PF值大幅度增加，且皂洗牢度好。
The results show that fabrics treated with the finishing agent had excellent UV resistance, increased UPF, and good soaping fastness.
高效耐盐皂洗剂235与传统皂洗剂皂洗牢度相当或略有提高，有效减少皂洗次数、缩短皂洗时间。
Its soaping fastness is close or increased slightly with the traditional soaping, but its soaping time and number of time is reduced.
为了防止印花织物的白地和白花沾色现象，提高印花织物的色泽鲜艳度和皂洗牢度，织物印花后必须使用净洗剂进行皂煮，以去除浮色及浆料。
The printed fabric must be employed soap boiling with detergent to get rid of the size and scum to avoid the tarnishing and improve the colour brightness and soaping fastness.
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