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Colorfastness of Textiles

Jul. 10, 2019 | 13:57:49

Today, Cotton School Uniform Fabrics Manufacturer tells you about the colorfastness of the fabrics and how the clothes we usually wear are fixed. Colorfastness to soaping (sample), color fastness to conflict, color fastness to chlorine, non-chlorine bleaching fastness, dry fastness, dry color fastness (clothing, fabric), perspiration fastness Degree, color fastness to water, light fastness to light, color fastness to sea water, color fastness to saliva.

Colorfastness to washing: Sewing the sample with the standard lining fabric, washing, cleaning and boring, washing under suitable temperature, alkalinity, bleaching and conflict conditions, so that the test results can be obtained in a shorter time. The conflicting effect is accomplished by rolling and hitting a small bath ratio and an appropriate number of stainless steel beads, and rating with a gray card to obtain test results.

Colorfastness of dry cleaning: just like the colorfastness of washing, just wash it into dry cleaning.

Clash color fastness: Place the sample on the conflict fastness tester and rub it with the standard conflict white cloth for a certain number of times. The dry color fastness and wet conflict fastness of each set of samples are required. The gray color on the white cloth on the standard conflict is rated by the gray card, and the obtained number of levels is the measured colorfastness. The colorfastness of the conflict requires two experiments, dry and wet, and all the colors on the sample must conflict.


Colorfastness of Textiles


Colorfastness to sunlight: Textiles are usually exposed to light when used. Light damages the dye and causes a well-known "fading", which causes the colored textile to change color, usually lighter and darker, and some will also exhibit color change, so It is necessary to test the colorfastness, and the color fastness test of the sun is to put the sample together with the blue wool specification cloth of different fastness levels under the regular conditions for solar exposure, and the sample and the blue The color wool cloth is compared and the light fastness is evaluated. The higher the blue wool specification, the higher the light resistance.

Colorfastness of perspiration: The sample is stitched together with the standard lining fabric, placed in a perspiration solution, sandwiched on a perspiration fastness tester, placed in an oven at a constant temperature, then boring, and rated with a gray card. Get the test results. Different test methods have different sweat stain ratios, different sample sizes, different test temperatures and times.

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