The factors that affect the color fastness to sunlight of textiles include internal and external factors. The internal cause is mainly caused by the difference of textile dyes' own properties. External factors include many aspects, such as light source selection, spectral energy, temperature setting, relative humidity, etc. As the internal cause of textile color fastness to sunlight is the purpose of the test, it has little to do with the test method.

Universal Abrasion Tester is a professional testing instrument with multiple testing functions, which is specially used for testing and evaluating the pilling, fading, abrasion resistance and other properties of various fabrics.

Luggage occupies an important position in the life of modern people. It is a necessary tool for travel and provides great convenience for people's life. With the large demand of the market, luggage detection instruments are becoming more popular. As we all know, high-quality luggage is easier to be loved by consumers, so the detection of luggage is very important. The most vulnerable place of luggage is the tie rod. The quality of luggage tie rods is closely related to the quality of luggage.

In the actual use and washing process of the fabric, due to the constant friction on the surface, the fibers on the surface of the fabric are exposed to the surface of the fabric, forming a layer of fluff on the surface of the fabric. This phenomenon is called fuzzing. If these hairy antlers do not fall off during subsequent use, they will become entangled with each other and form many spherical particles, commonly known as pilling.