500# Double Wall
For 500# Double Wall, specification type is corrugated_board; description is 500 pound Mullen burst test, double wall corrugated; primary dimension is 500 lbs/sq.in. burst; secondary dimension is Fibre Box Handbook: 160 lbs max weight per box; equivalence or compatibility note is UPS maximum weight per box: 140 lbs, recorded from its source on 2026-08-12.
- Specification ID
- 500# Double Wall verified
- Specification type
- corrugated_board our reading
- Description
- 500 pound Mullen burst test, double wall corrugated
- Primary dimension
- 500 lbs/sq.in. burst
- Secondary dimension
- Fibre Box Handbook: 160 lbs max weight per box
- Equivalence or compatibility note
- UPS maximum weight per box: 140 lbs
- Additional data
- UPS: 140 lbs
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
500# Double Wall | 160 lbs | 140 lbs
— uline.com, retrieved 2026-08-12
Sources disagree
More than one authority states this, and they do not state the same thing. Both are reproduced with the source each came from — deciding between them is yours, not ours.
Description
uline.com says description is 500 pound Mullen burst test, double wall corrugated, as of 2026-08-12.
500# Double Wall | 160 lbs | 140 lbs
uline.com says description is 500 lb. Mullen burst test, double wall corrugated, as of 2026-08-12.
500# Double Wall | 160 lbs | 140 lbs |
https://www.uline.com/Product/Detail/S-4406/Corrugated-Boxes-200-Test/12-x-9-x-6-Corrugated-Boxes
Secondary dimension
uline.com says secondary dimension is Fibre Box Handbook: 160 lbs max weight per box, as of 2026-08-12.
500# Double Wall | 160 lbs | 140 lbs
uline.com says secondary dimension is 160 lbs, as of 2026-08-12.
500# Double Wall | 160 lbs | 140 lbs |
https://www.uline.com/Product/Detail/S-4406/Corrugated-Boxes-200-Test/12-x-9-x-6-Corrugated-Boxes
Equivalence or compatibility note
uline.com says equivalence or compatibility note is UPS maximum weight per box: 140 lbs, as of 2026-08-12.
500# Double Wall | 160 lbs | 140 lbs
uline.com says equivalence or compatibility note is 500# Mullen equivalent row, double wall, as of 2026-08-12.
500# Double Wall | 160 lbs | 140 lbs |
https://www.uline.com/Product/Detail/S-4406/Corrugated-Boxes-200-Test/12-x-9-x-6-Corrugated-Boxes