Reference Source

350# Single Wall

What is the specification type for 350# Single Wall?

For 350# Single Wall, specification type is corrugated_board; description is 350 pound Mullen burst test, single wall corrugated; primary dimension is 350 lbs/sq.in. burst; secondary dimension is Fibre Box Handbook: 120 lbs max weight per box; equivalence or compatibility note is UPS maximum weight per box: 80 lbs; additional data is UPS: 80 lbs, recorded from its source on 2026-08-12; source re-checked 2026-09-17.

350# Single Wall | 120 lbs | 80 lbs

— uline.com, retrieved 2026-08-12

Specification ID
350# Single Wall verified
Specification type
corrugated_board our reading
Description
350 pound Mullen burst test, single wall corrugated
Primary dimension
350 lbs/sq.in. burst
Secondary dimension
Fibre Box Handbook: 120 lbs max weight per box
Equivalence or compatibility note
UPS maximum weight per box: 80 lbs
Additional data
UPS: 80 lbs
Sourceuline.com
Verified
Review by
DatasetPackaging specification equivalence: neck finishes, corrugated grades and pallet standards

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.

The source states this two ways

The same publisher states this differently in more than one place. Each version is reproduced with the page it came from — deciding between them is yours, not ours.

Description

uline.com says description is 350 pound Mullen burst test, single wall corrugated, as of 2026-08-12.

350# Single Wall | 120 lbs | 80 lbs

https://www.uline.com/Product/Detail/S-18339/Corrugated-Boxes-32-ECT/12-x-9-x-6-Lightweight-32-ECT-Corrugated-Boxes

uline.com says description is 350 lb. Mullen burst test, single wall corrugated, as of 2026-08-12.

350# Single Wall | 120 lbs | 80 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: 120 lbs max weight per box, as of 2026-08-12.

350# Single Wall | 120 lbs | 80 lbs

https://www.uline.com/Product/Detail/S-18339/Corrugated-Boxes-32-ECT/12-x-9-x-6-Lightweight-32-ECT-Corrugated-Boxes

uline.com says secondary dimension is 120 lbs, as of 2026-08-12.

350# Single Wall | 120 lbs | 80 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: 80 lbs, as of 2026-08-12.

350# Single Wall | 120 lbs | 80 lbs

https://www.uline.com/Product/Detail/S-18339/Corrugated-Boxes-32-ECT/12-x-9-x-6-Lightweight-32-ECT-Corrugated-Boxes

uline.com says equivalence or compatibility note is 350# Mullen equivalent row, as of 2026-08-12.

350# Single Wall | 120 lbs | 80 lbs |

https://www.uline.com/Product/Detail/S-4406/Corrugated-Boxes-200-Test/12-x-9-x-6-Corrugated-Boxes

Sources

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.