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Fiber Dyeing Process –Scouring Pretreatment
Jul 16, 2018

There are a lot of impurities in waxy cotton, such as wax and pectin, which are yellow and poor in permeability and are not suitable for dyeing. In order to make cotton better water absorbability, in order to benefit the adsorption and diffusion of dyestuffs in dyeing, and as much as possible without influence to fiber spinnability, it can be treated with scouring agent under high temperature alkaline condition. After refining, the surface of cotton is more clean, and in the subsequent processing, the dyeing liquid can penetrate into the fiber quickly and evenly, and improve the chromatin, and the depth of dyeing and the color fastness of wet friction are improved.

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