Tvättfasthet
Tvättfasthet, literally translated as “washing fastness,” refers to the ability of a color (or printed design) on a textile surface to withstand repeated washing without significant loss of hue, intensity, or overall appearance. The term is commonly used in the textile and fashion industries, as well as in architectural textiles, to describe how resilient a dyed or printed item is to laundering conditions such as water temperature, detergent, agitation, and fabric type.
The importance of tvättfasthet lies in consumer satisfaction and product longevity. A fabric that maintains its
Several standardized test methods assess tvättfasthet. The International Organization for Standardization (ISO) 105-C06 evaluates washing fastness
Factors influencing tvättfasthet include the dye chemistry (acid, basic, reactive, disperse dyes), fiber type (cotton, polyester,
In product specifications, tvättfasthet is often listed alongside other performance attributes such as tear strength, abrasion