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Ever wondered what your dollar bill is made of? Do you know why money doesn’t disintegrate when left in the washing machine? That’s because paper money is more cloth than it is paper! In fact there is no paper at all, or even wood, used in any of our dollar bills. Paper money is made out of rags of paper, also known as heavy paper. These rags are cotton and linen fabrics beaten together to create cotton and linen fibers, making it really sturdy and durable.  

These rag fibers bond together more strongly than that of the fibers found on normal paper. Note that normal paper is made out of selected cellulose fiber which comes from trees, and these cellulose based paper absorbs water immediately and falls apart when so, as opposed to rags made out of cotton and linen fibers which molecule structures don’t break down easy. These rag fibers are fundamentally unaffected by water, its composition is so strong that it remains unaltered upon immersion in water or most liquids. The concoction of materials used is also much more resilient than normal paper, it resists wear and tear, and also does not contain the usual agents that makes ordinary paper glow slightly under an ultraviolet light. Paper money or banknote paper is also sometimes impregnated with polyvinyl alcohol or gelatin to give it that extra strength and durability.

Paper money is basically composed of 25 percent linen fibers and 75 percent cotton fibers, and red and blue synthetic fibers of various lengths are distributed evenly and consistently throughout the paper like material. It is said that prior to World War I, these fibers were made out of silk, but the practice was quickly discontinued because it wasn’t cost effective and practical.

Most banknotes these days are made using the mould method in which a watermark and thread is incorporated during the material forming process, mainly to thwart currency counterfeiters. To keep up and stay ahead of currency forgers, paper money today has also become so high-tech, and the newer designs include state-of-the-art technology like Cornerstone, Platinum and Optiks, all of which increases the strength and security of paper money.

Manufacturers of banknote paper were also swift to recognize the problems associated with dirt and they developed a special paper with a thin layer of varnish on the surface to repel them. Recently, the composition of materials used in producing paper money has also changed dramatically with the introduction of synthetic technology, which comprises an impenetrable network inside the cotton fiber structure, supporting the banknote and intensifying its mechanical stability, Newer products like Synthec and Diamone Composite has also responded to this call and the growing demand for higher mechanical stability of the paper, making paper money more resistant to wear and tear. Consisting of 80 percent cotton fiber and 20 percent synthetic fiber, Synthec based paper money lasts longer and is more flexible. Some countries around the world have also adopted polymer, which is basically soft plastic, to replace the traditional cotton and linen composites. 

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Ever wondered how dollar bills are made? Here’s a brief run through on the intricate process it goes through, but an interesting one nonetheless.

The first step in the making of a dollar bill is the preparation of the master die, an imprinted piece of soft steel, used in the engraving part of the process. The brilliant adroitness and artistry of the engravers is what brings the dollar bills to life, and they do this by skilfully and carefully cutting different portions of the design, such as the portrait, the vignette, the ornamentation, and the lettering, on each master die. This is why, if you put the dollar bill under a magnifying glass, you will observe that it contains copious amounts of fine lines and dots which varies in size and shape. This unique printing technique is known as the intaglio printing. The designs which are featured on the dollar bills are determined by the Secretary of the Treasury and each of this design has its own historical and idealistic significance.

Siderography, a process used to transfer the hand-graved images on the original dies to a printing plate, is next. Upon completion, the dies will then be stored for use in subsequent production processes, as and when it is needed. As soon as that is sorted out, an impression is taken from the master die and the raised image is then cast in plastic. Various plastic images of the different segments of the dollar bill are then prepared, fitted and fused into the required plate formation. This will consists of thirty-two separate sheets. A series of plates are then produced by placing the plastic altos into an electrolytic tank. The plates are then cleaned, polished, and meticulously inspected by an engraver, after which the recessed image plate is made and another piece of the intaglio plate is placed on a printing press.

The dollar bills are then printed on these high-speed rotary presses which spits out over 8,000 sheets per hour. The surface of the notes are slightly raised, with the reverse side indented, to give it a three dimensional effect. The background of the dollar bills are printed in green ink and the faces printed in black, before it is allowed to dry, and this will take for up to 48 hours.

The dollar bills are then scrutinized under a microscope by an examiner, to meet very high standards in quality. Upon satisfactory inspection, it is then ready to be numbered. The Federal Reserve District seal and its corresponding number designations are then overprinted with black ink using a letterpress. Green ink is used to print the Treasury seal and the serial numbers. Guillotine cutters are used to slice the dollar bills into into single stacks of one-hundred notes, which will be packed up into 40 separate units of bricks, each containing 4,000 notes. These are then distributed to Federal Reserve Districts, to be issued to local banks.

There you have it, that’s how your dollar bills are made.

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