BRAND NEW
4W 6-inch 2-pin Fluorescent F4T5 Black-Light
Glow Linear Tube Light Bulb
Wattage: 4W
Type: T5 Fluorescent Light
Lamp Color: UV Fluorescent Black Light Blue (Infrared)
Lamp Shape: Linear Tube T5
Length (in): 6"
Width (in): .625
Lamp Base: Miniature Bi-Pin G5
Average Life Time: 10000 Hours
Black light is commonly used to authenticate oil paintings, antiques and banknotes. Black lights can be used to differentiate real currency from counterfeit notes because, in many countries, legal banknotes have fluorescent symbols on them that only show under a black light. In addition, the paper used for printing money does not contain any of the brightening agents which cause commercially available papers to fluoresce under black light. Both of these features make illegal notes easier to detect and more difficult to successfully counterfeit. The same security features can be applied to identification cards. Other security applications include the use of pens containing a fluorescent ink, generally with a soft tip, than can be used to "invisibly" mark items. If the objects that are so marked are subsequently stolen, a black light can be used to search for these security markings.
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