What does brightness of paper mean

Copy paper is generally sold by the ream, which has been standardized at sheets of paper. A case of copy paper contains 10 reams. A pallet the standard shipping unit of copy paper contains 40 cases, so if you have a big job coming up and need , sheets of paper, just order a pallet.

Acid-free copy paper is manufactured without the use of acids. This makes it ideal for documents that are meant to last a long time because it is the acids in paper that make it turn yellow.

Sources: Vanderbilt University , papersizes. In our example, a color original image gets progressively duller and less bright as it is printed on a lower grade paper. The tables below detail brightness and opacity by paper type and grade. Coated Stock and Brightness The brightness of a given paper has an enormous influence on the vividness of images and illustrations. Shade choice is particularly important in book printing. In addition to taking your own preference into account, you also want to make sure the shade of your paper provides visual comfort for your readers.

The best choice for this depends largely on the content of your book. If you are interested in book printing, find out more at our book printing division, BestBookPrinting. The limit is for standard paper made only with pulp. However, additives may be added to make the paper appear even brighter or whiter. These additives are known as Optical Brightening Agents OBA , and in reference to brightness they reflect ultraviolet — or UV — light as visible light.

However, some light colors can appear washed out on the whitest papers. Colors on less bright papers are noticeably darker. The finish of a paper — the degree of gloss — matters, too.

Images on matte paper with a high brightness rating are muted compared to those on high-gloss or glazed paper. With so many variables affecting image quality, the true test is how your images print on a given piece of paper with your particular printer. Before making a sizable investment in a specific type of paper, print some images on in-store printers like your own, ask for paper samples to try at home, or ask your commercial printer or paper supplier for samples printed on paper you are considering.

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