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  1. Mullen vs ECT - What's the Difference? Mullen vs ECT - What's the Difference?
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    Mullen vs ECT - What's the Difference?

    Often listed on the box maker's certificate are two values, one being the Burst (Mullen) Test and the other being Edge Crush Test (ECT). However, not all boxes have both values stamped on them, so what's the difference between the two?

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  2. What is a Box Maker's Certificate? What is a Box Maker's Certificate?
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    What is a Box Maker's Certificate?

    Have you ever noticed the little seal on the bottom of a corrugated box? Watch our short video to understand how to read a Box Maker's Certificate...

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