Why yellowing spot appeared on the fabric after softening in May to June?
The influence of water quality on the fabric after textile softener finishing, different softening agents make difference, and the most recommended agent is silicone oil. I: Experimental objective Due to some dyeing manufacturers use directly river water in the process of preliminary treatment, dyeing, finishing and so on , thus causes lots of questions. Among them, the most common is the yellow spot on the fabric, especially happened in May to June of year. Using river water, well water, tap water and pure water respectively in the process of textile softener finishing, We do experiment to check the influence on fabric whiteness, and study how to reduce this happening. II: Experimental process and method Using river water, well water, tap water and pure water respectively, we deliquate the all-round textile softener s300, textile softener 330, Softener V12,V100, 2316, and Epoxy Silicone Softener T22BC in the percentage of 1:19, to do experiment of softness ...