Understanding Paper Coating: The Essentials of C1S and C2S

In the diverse and sometimes complicated world of printing, the acronyms C1S and C2S hold significant meaning, standing for "coated one side" and "coated two sides," respectively. These terminologies are critical as they describe the type of coatings applied to paper by the manufacturers before they reach the printers.

The Purpose Behind Paper Coating

The primary reason for coating paper is twofold: to enhance the printing surface for improved print quality and to minimize the absorption of ink into the paper. Essentially, the coating serves as a protective layer that keeps the ink on top of the paper, facilitating crisper imagery and more precise detailing.

The Impact of Different Coatings

The choice of coating—be it glossy, matte, or dull—plays a crucial role in determining the visual outcome of the printed material. Glossy coatings tend to amplify the vibrancy and brilliance of ink colors, making them pop on the page. On the other hand, matte or dull coatings offer a more subdued effect, toning down the intensity of colors for a softer appearance.

Clarifying Coatings: Pre-Printing vs. Post-Printing

It's important to distinguish between C1S and C2S coatings, which are applied during the paper manufacturing process, and the treatments that printers might apply post-printing. The latter includes finishes like UV or aqueous coatings, varnishes, or laminates that add an extra layer of protection or aesthetic appeal to the printed product.

Inquiries About Paper Coatings?

Should you have more questions about the nuances of paper coatings or any other printing-related queries, feel free to reach out to us. Contact us at 866-367-6221 or submit our quote request form. We're eager to assist you with your printing needs.

Take Care,


Or Call 866 367-6221
Filed under March 06, 2024


About the Author

Rick Stallings is the owner of Formax Printing Solutions in St. Louis, MO. Formax provides a complete array of offset and digital printing services. Specialty areas include book printing, full-color printing, laminated printing, map printing and mailing services. If you ever have a printing question or project you would like to discuss, Rick is always happy to help. He can be reached at 866-367-6221 or by submitting our easy quote request form. Rick and the Formax team have been providing worry-free printing and related services since 1985.

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