When the anti-counterfeit fluorescent pigment is illuminated by general visible light, it is colorless, and when it is illuminated by 365/254nm UV lamp, it presents red, yellow, green, blue and other luminous colors.
When the anti-counterfeit fluorescent pigment is illuminated by general visible light, it is colorless, and when it is illuminated by 365/254nm UV lamp, it presents red, yellow, green, blue and other luminous colors.
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