# Item 222 Solid Fiberboard 20 lbs — Packaging specification equivalence: neck finishes, corrugated grades and pallet standards For Item 222 Solid Fiberboard 20 lbs, specification type is solid_fiberboard; board construction is Solid Fiberboard Boxes; max. weight of box and contents (lbs) is 20; max. outside dimension (in, l+w+d) is 40; min. bursting test (lbs/sq. in.) or puncture test (in. oz./in.) is 125; min. combined weight of facings (lbs/1,000 sq. ft.) is 114, recorded from its source on 2026-09-24. - **Specification ID:** Item 222 Solid Fiberboard 20 lbs _(our reading, not quoted from the source)_ - **Specification type:** solid_fiberboard _(our reading, not quoted from the source)_ - **Chart column headings:** Max. weight of boxes and content Max. outside dimension Length, Width and Depth added (inches) Min. bursting test, Single wall, Double wall or Solid fiberboard(lbs per sq. in.) Or Min. puncture test, Triple wall board (in. oz. per in. of tear) Min. combined weight of Facing, including Center facings of Double wall and Triple wall board Or Min. combined Weight of plies, Solid Fiberboard, Excluding adhesives (lbs. per 1,000 sq. ft.) _(verified: appears in its own passage below)_ - **Board construction:** Solid Fiberboard Boxes _(verified: appears in the quote below)_ - **Max. weight of box and contents (lbs):** 20 _(verified: appears in the quote below)_ - **Max. outside dimension (in, L+W+D):** 40 _(verified: appears in the quote below)_ - **Min. bursting test (lbs/sq. in.) or puncture test (in. oz./in.):** 125 _(verified: appears in the quote below)_ - **Min. combined weight of facings (lbs/1,000 sq. ft.):** 114 _(verified: appears in the quote below)_ ## What the source says > Solid Fiberboard Boxes 20 40 125 114 ## Where each value comes from This source states these in separate places, so each value is shown with the passage that states it. ### Chart column headings > Max. weight of boxes and content Max. outside dimension Length, Width and Depth added (inches) Min. bursting test, Single wall, Double wall or Solid fiberboard(lbs per sq. in.) Or Min. puncture test, Triple wall board (in. oz. per in. of tear) Min. combined weight of Facing, including Center facings of Double wall and Triple wall board Or Min. combined Weight of plies, Solid Fiberboard, Excluding adhesives (lbs. per 1,000 sq. ft.) Single Wall Corrugated Fiberboard Boxes 20 40 125 52 35 50 150 66 50 60 175 75 65 75 200 84 80 85 250 111 95 95 275 138 120 105 350 180 Double Wall Corrugated Fiberboard Boxes 80 85 200 92 100 95 275 110 120 105 350 126 140 110 400 180 160 115 500 222 180 120 600 270 Triple Wall Corrugated Fiberboard Boxes 240 110 700 168 260 115 900 222 280 120 1100 264 300 125 1300 360 Solid Fiberboard Boxes 20 40 125 114 ## Source - https://www.ipack.com/blog/corrugated-rules-and-regulations Last verified: 2026-09-24. Review by: 2028-09-23. Part of [Packaging specification equivalence: neck finishes, corrugated grades and pallet standards](https://referencesource.org/packaging-material-specification-equivalence/).