What is the color fastness of the webbing?

What is the color fastness of the webbing?
Color fastness is one of the important quality indicators of textiles. The so-called color fastness refers to the degree of fastness of dyed textiles under the physical and chemical action of the color firm ribbon manufacturer, that is, the fastness of the color of dyed textiles to external influences is called dye fastness. Based on the color change of the sample after the experiment, the appraisal grade of the degree of white cloth staining the polyester webbing indicates the color fastness.
Among the various items of color fastness, the most commonly used color fastnesses are rubbing fastness, perspiration fastness, washing fastness, light fastness, water immersion fastness, and scrubbing fastness. Items such as color fastness, weather resistance, etc. In actual life, the items to be checked are mainly determined based on the final use of the product. The color fastness to perspiration, dry rubbing, and water immersion are the items required by the basic safety technical specifications of textiles. All dyed textiles should be checked. In addition, the color fastness to saliva must be checked for textile products for infants and young children.