Here is what to look for in a moving, packaging or shipping box.
ECT - Edge Crush Test
ECT Guide | Bursting Test | Minimum Edge Crush Test | Maximum Load Per Carton |
Standard | 200# | 32 ECT | 40 lbs. |
Heavy Duty | 275# | 44 ECT | 65 lbs. |
Heavy Duty - Double Wall | 275# | 48 ECT | 80 lbs. |