Postage Stamp Paper is made of an organic material composed of a compacted weave of cellulose fibers which is generally formed into sheets. Paper used to print postage stamps may be manufactured in sheets or it may have been part of a large roll (called a web) before being cut to size. The fibers most often used to create postage stamp paper include bark, wood, straw and certain grasses. In many cases, linen or cotton rags have been added for greater strength and durability. Grinding, bleaching, cooking and rinsing these raw fibers reduce them to a slushy pulp, referred to by paper makers as “stuff.” Sizing and sometimes, coloring matter is added to the pulp to make different types of finished paper.
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