Blue red yellow green clothing high quality UV light change color thread for sewing
Blue red yellow green clothing high quality UV light change color thread for sewing
The anti-fake thread is in original color under natural color and it will reflect different colors of light when irradiated by ultraviolet fluorescent lamp. The fluorescent color of the anti-fake thread is red, yellow, blue and green.
The anti-fake thread is colorless in appearance and displays a bright color after being irradiated by the light source of the ultraviolet fluorescent lamp. After leaving the ultraviolet fluorescent light source, the color disappears. This effect can be used repeatedly and is generally used for anti-fake identification.
There're many colors to choose, white to colors, colors to colors, it could change color again and again, permanently.
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