# Item 222 Double Wall 180 lbs — Packaging specification equivalence: neck finishes, corrugated grades and pallet standards

For Item 222 Double Wall 180 lbs, specification type is corrugated_board; description is Double wall corrugated fiberboard box per NMFC Item 222 / UFC Rule 41, max weight 180 lbs; primary dimension is 600 lbs/sq.in. burst; secondary dimension is 180 lbs max weight; equivalence or compatibility note is Min. ECT 82 lbs/in. width, recorded from its source on 2026-08-12.

- **Specification ID:** Item 222 Double Wall 180 lbs
- **Specification type:** corrugated_board _(our reading, not quoted from the source)_
- **Description:** Double wall corrugated fiberboard box per NMFC Item 222 / UFC Rule 41, max weight 180 lbs
- **Primary dimension:** 600 lbs/sq.in. burst
- **Secondary dimension:** 180 lbs max weight
- **Equivalence or compatibility note:** Min. ECT 82 lbs/in. width
- **Additional data:** Max outside dimensions L+W+D 120 in.; min combined weight of facings 270 lbs per 1,000 sq.ft.

## What the source says

> 180 120 600 270

## Source

- https://www.ipack.com/blog/corrugated-rules-and-regulations

Last verified: 2026-08-12. Review by: 2028-08-11.
Part of [Packaging specification equivalence: neck finishes, corrugated grades and pallet standards](https://referencesource.org/packaging-material-specification-equivalence/).