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4 posts
Packaging Science

How Humidity Changes the Strength of Corrugated Packaging During Storage and Transit

By Jeff Parker
October 9, 2026
A corrugated box that passed its specification tests with comfortable margins when it left the manufacturing facility can arrive at a retail distribution centre or warehouse as a structurally compromised container whose stacking strength is a fraction of what the…
Packaging Science

How Printing Method Affects Ink Adhesion on Different Packaging Surfaces

By Alex Brody
September 10, 2026
The print on a packaging box looks like a single finished result. What it actually represents is the outcome of several decisions made at different points in the production process, any one of which can produce ink adhesion failures that don’t become visible until the…
Packaging Science

Why Packaging Fails Drop Tests: The Engineering Principles Behind Structural Collapse 

By Jeff Parker
September 4, 2026
A package that looks robust sitting on a desk fails a drop test for reasons that have nothing to do with how it looks and everything to do with physics that packaging design frequently doesn’t account for. The company that built it used decent materials. The box held…
Packaging Science

What Paperboard Grades Actually Mean: A Plain-English Guide to ECT, Mullen and Caliper Ratings 

By Jeff Parker
August 3, 2026
Anyone who has ordered custom packaging more than once hasencountereda spec sheet full of numbers and abbreviations that nobody explains. 32 ECT. 200# Mullen. 18pt caliper. SBS. The supplier knows what these mean. The buyer oftendoesn’t, and asking…

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    • Why Some Products Feel More Expensive Than They Are: The Role Packaging Structure Plays in Value Perception
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