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What is Photochromic yarn?
Photochromic yarn is a type of yarn that changes color under the illumination of specific wavelengths of light. It is made by dispersing photochromic pigments into the spinning melt or solution. Upon exposure to 365nm wavelength UV light or sunlight, the yarn changes color, such as from white to purple, red, yellow-green, or blue; the color reverts upon cessation of exposure. Photochromic yarn integrates cutting-edge technology in optics, chemistry, and textile engineering. The principle of color change is based on the response of certain materials to light, causing a chemical structural change through the interaction of light and matter. This technology not only brings a new visual experience to textiles but also opens up new possibilities in textile design.
Photochromic Yarn Applications
Photochromic yarn is ideal for fashion apparel, adding unique charm to clothing designs with its color-changing properties. In outdoor gear, such as jackets and mountaineering outfits, it automatically adjusts color depth under sunlight, providing visual cues about environmental conditions, enhancing safety. Sporting equipment like sports attire, backpacks, and hats benefit from both aesthetic appeal and added fun. Additionally, photochromic yarn is used in anti-counterfeit labels, offering unique anti-counterfeiting features. This versatile yarn opens up new possibilities in various textile applications, blending innovation with functionality.
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