ECT Test (Edge Crush Test) vs. Mullen Test for Box Strength
A common question we receive at Creative Packaging is what is the difference between the Edge Crush Test (or ECT) and Mullen (or burst) Test for boxes. Do those tests tell you the same thing about box strength? Think about it like the ACT and SAT, the tests aim to tell customers how strong and durable a particular box is but in different ways.