A Critical Comparative Investigation into the Role of Paper Substrate Physicochemical Characteristics in Determining Image Reproduction Accuracy and Print Quality Outcomes in Sheet-Fed Offset Lithographic Printing

Sonam Verma; Aman Tyagi

doi:10.69968/ijisem.2026v5i2538-543

Authors

Sonam Verma Assistant Professor, Department of Printing Technology, Somany Institute of Technology & Management, Rewari, Haryana.
Aman Tyagi Research Scholar, Department of Printing Technology, Somany Institute of Technology & Management, Rewari, Haryana.

DOI:

https://doi.org/10.69968/ijisem.2026v5i2538-543

Keywords:

Sheet-fed Offset Printing, Paper Substrate, Physicochemical Properties, Image Reproduction, Print Quality, Dot Gain, Colour Reproduction, Lithographic Printing

Abstract

The quality of printed products in sheet-fed offset lithographic printing is significantly influenced by the physicochemical characteristics of the paper substrate. Properties such as grammage, thickness, brightness, opacity, surface roughness, tensile strength, tear resistance, and absorbency play a crucial role in determining ink transfer, image reproduction accuracy, and overall print quality. This study presents a critical comparative investigation of different paper substrates used in sheet-fed offset printing to evaluate their impact on key print quality parameters, including dot gain, print density, color reproduction, trapping efficiency, print contrast, and image sharpness.

Standardized printing conditions were maintained throughout the experimentation to ensure that variations in print performance could be attributed primarily to substrate characteristics. The physicochemical properties of selected paper grades were measured using standardized testing methods, and the resulting print samples were analyzed using appropriate print quality assessment techniques. The findings reveal significant correlations between substrate properties and print quality outcomes, demonstrating that coated papers generally provide superior image reproduction accuracy, colour fidelity, and surface finish compared to uncoated substrates. The study contributes to a better understanding of substrate–print interactions and offers valuable insights for printers, publishers, and packaging manufacturers in selecting suitable paper grades for achieving optimum print quality and production efficiency.

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