How to describe the color fastness of Buttonhole Webbing? What are the standards for the color fastness test of Buttonhole Webbing? Color fastness is one of the important indicators of the webbing quality of Buttonhole Webbing manufacturers. Color fastness is an indicator of the quality of the webbing. The problem with the decolorized webbing produced by Buttonhole Webbing manufacturers is very serious. Small, if the Buttonhole Webbing used for clothing accessories is discolored during washing, it will contaminate the entire garment or the laundry together. So how to evaluate the color fastness of webbing?

Among the various items of color fastness, the most commonly used Buttonhole Webbing color fastness includes rubbing fastness, perspiration fastness, washing fastness, light fastness, water immersion fastness, and scrubbing resistance. Color fastness, weather fastness and other items. In actual life, the items to be evaluated are mainly determined according to the final use of the product. Among them, the color fastness to perspiration, dry friction, and water immersion are the items required by the basic safety technical specifications of textiles. All dyed textiles should be evaluated.

The color fastness of Buttonhole Webbing is generally evaluated by visual evaluation method, that is, the gray sample card is used as the standard sample. Under certain light and environmental conditions, the gray card and the sample are compared with human eyes to determine the original discoloration and white cloth staining of the sample. Color progression. Gray card (respectively discoloration and staining) has five fastness grades, namely 5, 4, 3, 2, 1.5. Grade 5 is the best and Grade 1 is the worst. In every two grades, add half grades, namely 4 5, 3 4, 2 3, 12, so the gray card we use daily is 5 grades and 9 grades, and the color fastness evaluation result is one of 9 grades. If a certain color fastness of Buttonhole Webbing product does not reach the level specified by the standard, then the webbing product is unqualified.