The first is the color fastness of the fabric, also known as color fastness, which is defined as the resistance of the color of the fabric to various effects during use and processing. During the test, the fabric will be given a color fastness rating according to the test items.
The second is color fastness, which refers to the resistance of the color of the fabric to various corrosive effects such as light, friction and perspiration during processing.
The last is color fastness, which is for clothes with multiple colors. When such clothes are collected, the dye will spread from the darker area to another area. We call this ability of fabrics color fastness. Spend. It has a lot to do with the composition of the fabric, and chemical fiber fabrics are prone to this phenomenon.
