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Box Compression Test for Packaging Performance

The biggest gains in sustainable packaging often come from what can be reduced – without losing performance. Traditionally, cartonboard strength has been judged by thickness and stiffness. But as packaging is optimized to use less material, these measures alone are no longer enough. Today, the focus is shifting toward performance by design. A key tool in this shift is the Box Compression Test (BCT).

The Box Compression Test measures how much vertical load a box can withstand before it collapses. It simulates real-life conditions during stacking, storage, and transport. This makes BCT a practical and reliable way to evaluate packaging performance under load—something that board properties alone cannot fully predict. Even when the product inside can carry some weight, BCT remains an important indicator of packaging strength. When products are sensitive or require headspace, it becomes critical, as the packaging must provide protection. 

Box Compression Test (BCT) | Understanding Packaging Performance

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