test refers to bursting strength, while 32 ECT refers to stacking strength. Boxes that meet 200 lb. test will also exceed 32 ECT stacking strength. ... test boxes, which provide more strength and protection than 32 ECT boxes – a budget-friendly alternative for lightweight shipments.
How much weight can be stacked on a 32 ECT box?
In general, the single-walled 200# test box and the 32 ECT corrugated boxes are interchangeable – both have a maximum weight limit of 65 lbs. Because stacking strength has become the most important factor for most warehouses today, many opt for the 32 ECT.Jan 4, 2018
What does ECT stand for in boxes?
The Edge Crush Test (ECT) The Edge Crush Test, or ECT, is a newer test developed to look specifically at how much force a corrugated material can withstand on its edges without crushing. Instead of applying force to the face of the corrugated material, as the Mullen Burst Test does, ECT applies force to the edge.