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Standards and efficiencies for corrugated work centers, TAPPI JOURNAL, April 1994, Vol. 77(4) (1691KB)

Standards and efficiencies for corrugated work centers, TAPPI JOURNAL, April 1994, Vol. 77(4) (1691KB)

4evergreen: In Search of Perfection in Packaging Circularity, Paper360º March/April 2022

4evergreen: In Search of Perfection in Packaging Circularity, Paper360º March/April 2022

Tech Talks Showcase Best of What’s New, Paper360º November/December 2022

Kotkamills’ PM1 Rebuild Will Reinforce its Position in Laminated Papers, Paper360º September/October 2022

A Closer Look at Tooling, Paper360º September/October 2022

AF&PA Reports Point to Growth in Both Containerboard and Boxboard, Paper360º September/October 2022

Graphic Packaging International: Safety Never Stops, Paper3

Graphic Packaging International: Safety Never Stops, Paper360º January/February 2022

Going the Distance with Utah PaperBox’s Trim Removal Solution, Paper360º January/February 2022

Going the Distance with Utah PaperBox’s Trim Removal Solution, Paper360º January/February 2022

Corrugated medium strength assessments in different flute structures, TAPPI Journal April 2026

ABSTRACT: Recent advancements in our ability to evaluate papers and our understanding of the mechanics of box failure have brought a renewed focus on measuring the performance of corrugated medium and an associated evolution of paper measurement approaches. This study evaluates the load curves, Hardness (where the fluted structure’s loading shifts away from an elastic response), and Concora medium crush test (CMT) values for a range of corrugated mediums in different common flute geometries. The shape of the load curve is a function of the geometry of the fluting profile and the relative stiffness of the paper, with smaller flutes and heavier papers reaching both the Hardness value and the ultimate load at lower deformation. Nonetheless, while the specific dynamics during the loading process vary, Hardness and CMT values correlate linearly between flute structures, even when testing specimens after different equilibration periods post-fluting. These correlations confirm the applicability of the standard A-flute CMT test to a broad range of papers and potential combined board flute structures, supporting quality assurance processes for medium production and optimization in corrugated board manufacturing.

Spraying starch to improve strength of containerboard produced from weak recycled furnish, TAPPI JOURNAL May 2013

Spraying starch to improve strength of containerboard produced from weak recycled furnish, TAPPI JOURNAL May 2013