What is the difference between coated and uncoated paper?

Coated Stock is paper with any kind of coating that improves reflectivity and ink that is applied after the paper is made to provide a smooth finish. The most common coating options are gloss, matte, satin, dull.

• C1S: An abbreviation for “Coated One Side,” which means the paper is only coated with a protective gloss, matte or finish on one side of the sheet.
• C2S: An abbreviation for “Coated Two Sides,” which means the paper is coated with a protective gloss, matte or finish on both sides of the sheet.

Uncoated Stock is paper that does not have a coating of any kind.