ECT vs. Mullen Conversion Chart

Pax Solutions provides both ECT and Mullen corrugated packaging. If you would like to learn more about the difference, visit our blog post on the topic. This is an often overlooked detail in the corrugated packaging design process, but we at PAX Solutions think our customers need to know about this! The conversion chart below shows the standard conversion between ECT and Mullen corrugated and the max suggested load per box. *Maximum suggested load/box is an estimate. Several factors need to be considered when designing your optimal packaging solution. Please contact us today to get help with your next packaging project.

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Single Wall Corrugated Box ECT vs. Mullen Conversion Chart

Edge Crush Test (ECT) Mullen (Burst) Test Maximum Suggested Load/Box*
26 ECT 150# 35lbs
29 ECT 175# 50lbs
32 ECT 200# 65lbs
44 ECT 275# 95lbs
55 ECT 350# 120lbs

Double Wall Corrugated Box ECT vs. Mullen Conversion Chart

Edge Crush Test (ECT) Mullen (Burst) Test Maximum Suggested Load/Box*
48 ECT 275# 100lbs
51 ECT 350# 120lbs
61 ECT 400# 140lbs
71 ECT 500# 160lbs
82 ECT 600# 180lbs

Triple Wall Corrugated Box ECT vs. Mullen Conversion Chart

Edge Crush Test (ECT) Mullen (Burst) Test Maximum Suggested Load/Box*
67 ECT 700# 240lbs
80 ECT 900# 260lbs
90 ECT 1100# 280lbs
112 ECT 1300# 300lbs