The paper has a pale-yellow, or rather gray-cream color, no gloss. Color paper due to the fact that it does not contain optical brighteners. Because of this, in filtered ultraviolet light (wavelength 366 nm), it looks dark. Paper is a general-purpose luminescent blue light.
At the touch it is thick and elastic. If you try tore it, it will not happen immediately, at first will attract and, if released, would return to its original position. Despite the flexibility, it also "crunches" that allows to distinguish the real from the fake dollars.
In the paper randomly embedded in a small number of red and blue silk fibers, they can be seen only when viewed through a magnifying glass. In the filtered UV-light paper and fibers do not luminesce. Checking the bill, first make sure that the protective hairs, check to see whether they dorisovany.
Typically, counterfeiters can not make these fibers in the structure of the paper. A good imitation of protective hairs in the forgery extremely rare. Dorisovannye protective hairs can be easily distinguished.
U.S. Banknotes of any value, year of issue and category in circulation since 1928, are printed on sheets of paper the size 156h66 mm. Variations in size up to 2 mm are not a sign of forgery.
To print using the paper in rolls. Roll length - 7-8 thousand meters, weight ranges from 431 to 440 kg. Roll width - 64,26 cm
Inks used for printing banknotes, are made in the Bureau of Engraving and Printing U.S. Treasury. Its composition is strictly classified.
To print images and inscriptions on the front of the bill, except for printing an image of the Federal Bank, the digital and letter code bank, using black ink with magnetic properties.
Images and inscriptions on the reverse side of the banknotes printed green paint, not magnetic.
The paper is passed through three printing rollers, which are fixed plates (metallographic printing). First paint the green print the reverse side of the banknotes, then the paint is dried at 135 degrees Celsius. Once the paper has cooled, paint black print the front side.
If a fingernail to press bill to a sheet of white paper and hold its line, the paper will remain black or green mark. So it should be, it is not a sign of forgery, but rather the contrary.
Magnetic properties of paint - only one of the security features, which, moreover, easy to imitate. So should not place undue reliance on testers work only on the magnetic pigment.
The downside of dollars that were released after 1999, made with the use of paint, which looks different in infrared light.
In the bottom right corner of the front of the new denomination banknotes printed a special paint that can change color depending on what angle to look at it. Green figures becomes black, and then back to green. Do not forget to check the bill on the remedies.
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