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The Common Problems of Colour Fastness of Textiles

2015-10-31 08:38 | writer: admin

The dyeing fastness of textiles (referred to as the color fastness of dyed or printed), refers to the fabric in use or in the course of processing, subjected to external factors (extrusion, friction, water washing, Yu Lin, exposure, light, seawater immersion, saliva impregnation, water stains, perspiration and so on) under the effect of fading degree, is a fabric an important index. Good color fastness, while the textile in the course of processing or use is not easy to fade; poor color fastness, can appear the fade, a little color, or color staining etc, cause a lot of trouble.
In the daily sampling inspection and consumer complaints, the following aspects of textiles color fastness of the most frequent problems:
1) The light fastness unqualified. In the process of wearing jacket clothing, from the sun and more parts of the lighter in color or color (usually the back and shoulders), and is not exposed to irradiation of local color or less the same or change light shades, caused the original products of the same color color, can no longer use.
2) Colorfastness to washing, soaping fastness and colour fastness to dry cleaning of unqualified. Senior silk clothing, wool clothing, cotton clothing is the most likely to exist in this aspect of the problem.
3) Rubbing fastness unqualified. Textile is in use process, because the degree of friction of different parts of the products are different, fade to varying degrees. For example, the jacket, the sleeves of the elbow, collar and arm of the Department is the most easy to fade. In addition, hip and knee parts of pants can fade easily.
4) Perspiration fastness unqualified. The main summer clothes or close fitting underwear when worn by sweat impregnated and fade.

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