if the multiple surface treatments, UV coating(ultraviolet coating) is one widely used to achieve visually pleasing printed products like business cards, brochures, postcards, folders, and packaging.

UV coating is a compound applied offline using silkscreen or a roller on a paper’s surface and cured with ultraviolet radiation. Compounds commonly used in the coat include calcium carbonate, kaolinite, and polyethylene. They are added to viscosifiers to create a strong bond with the paper.

UV varnish is a liquid applied inline to the product on the printing press and usually used to highlight specific areas of a page such as the images, logos, or slogans.