Item 222 Single Wall 20 lbs
For Item 222 Single Wall 20 lbs, specification type is corrugated_board; description is Single wall corrugated fiberboard box per NMFC Item 222 / UFC Rule 41, max weight 20 lbs; primary dimension is 125 lbs/sq.in. burst; secondary dimension is 20 lbs max weight; equivalence or compatibility note is Min. ECT 23 lbs/in. width, recorded from its source on 2026-08-12.
- Specification ID
- Item 222 Single Wall 20 lbs
- Specification type
- corrugated_board our reading
- Description
- Single wall corrugated fiberboard box per NMFC Item 222 / UFC Rule 41, max weight 20 lbs
- Primary dimension
- 125 lbs/sq.in. burst
- Secondary dimension
- 20 lbs max weight
- Equivalence or compatibility note
- Min. ECT 23 lbs/in. width
- Additional data
- Max outside dimensions L+W+D 40 in.; min combined weight of facings 52 lbs per 1,000 sq.ft.
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
Single Wall Corrugated Fiberboard Boxes 20 40 125 52
— ipack.com, retrieved 2026-08-12
Source
- ipack.comhttps://www.ipack.com/blog/corrugated-rules-and-regulations