Also known as
Shippers, these Medium-Duty Boxes use thicker corrugated designed to handle heavier loads. Box strength is measured by the Burst Test (Mullen Test) which determines the boxes ability to resist puncture. The corrugated used in these boxes can withstand 200 lbs. per square inch.
Box contents should not exceed 65 lbs. Boxes meet ASTM-D5118.
For additional information on different box types and styles
view our
Boxes and Mailers Comparison.