Uses of black light: Anti-counterfeiting mark for credit cards.

Illuminated with 'PW-UV343H-03L'! By exposing it to ultraviolet light, anti-counterfeiting marks and other features will become visible.

Here are examples of using black lights for authentication and anti-counterfeiting. A credit card is illuminated and photographed with "PW-UV343H-03L." By exposing it to ultraviolet light, anti-counterfeiting marks become visible. The response may vary depending on the card issuer, but this is also used for counterfeiting checks. 【What is a black light?】 - A general term for lights that emit wavelengths shorter than 400nm in the visible spectrum (ultraviolet light). - It produces fluorescent reactions that cannot be observed with visible light, and various reactions can be seen depending on the object. - It is widely used for purposes ranging from fluorescent verification and hobbies like glow-in-the-dark lures to counterfeit verification of banknotes and industrial ultraviolet flaw detection lamps. *For more details, please refer to the related links or feel free to contact us.

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