Coated paper

Type of paper with a smooth and sometimes glossy surface finish also called coated stock. It is frequently used for high quality halftone printing. Both color and black-and-white photographs are better reproduced on coated paper. Uncoated paper is better suited to type and to line drawings and is less costly than coated paper. Coated paper stock can be covered on one or two sides, one or more times, with either white or colored pigments. The finish can be glossy, semidull, or dull. Various techniques are used for coating the paper with pigments (see cast-coated; dull-coated; machine-coated).

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Coated paper is paper which has been coated by a compound to impart certain qualities to the paper, including weight and surface gloss, smoothness or ink absorbency. Kaolinite and calcium carbonate are most often used for coating papers used in commercial printing. Other process can be poly olefin extrusion coating or silicone coating to make release liner. Coating formulations can also contain synthetic or natural organic binder and viscofiers and other additives, such as styrene-butadiene latexes, starches, dispersants, resins, PVC. Coatings may also protect against ultraviolet radiation, or give water resistance and wet strength.

See also

• Papermaking
• Inkjet paper
• Papermachine

References

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