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Common Terms - U

Uncoated Freesheet uncoated paper containing no more than 10% mechanical wood pulp. Most uncoated freesheet paper is entirely free of mechanical wood pulp. Most uncoated printing and writing papers are classified into the broader category of uncoated freesheet. see also mechanical pulp, pulping wood, uncoated paper.

Uncoated Groundwood all paper, that isn't coated, containing more than 10% ground- wood fiber in its furnish. see also furnish, groundwood paper, newsprint paper, uncoated paper.

Uncoated Paper paper that doesn't have coating. Uncoated papers are manufactured in a great variety of finishes, colors, and weights, and offer the versatility needed to meet the creative and practical demands of most print jobs. see also book paper, cotton paper, cover paper, furnish, offset papers, text papers, vellum.

UV Coating a very slick, glossy coating applied to the printed paper surface and dried on press with ultraviolet (UV) light. The slick surface of UV coating makes it eye catching, and therefore very popular for printing the covers of paperback novels. Because UV coating can cause slight variations in match colors, consulting with an ink manufacturer or printer will yield best results.

UV Ink ink specially formulated to dry quickly with ultraviolet (UV) light while still on press. UV drying improves turnaround time because it eliminates waiting for the first side to dry before printing the second side. This eliminates the need for the paper to pass through the press more than once. see also dry trap, ink, wet trap.