# 32 ECT Single Wall — Packaging specification equivalence: neck finishes, corrugated grades and pallet standards For 32 ECT Single Wall, specification type is corrugated_board; description is Edge crush test, single wall corrugated; primary dimension is 32 lbs/linear inch ECT; secondary dimension is Fibre Box Handbook: 65 lbs max weight per box; equivalence or compatibility note is Recommended by UPS for shipping up to 30 lbs, recorded from its source on 2026-08-12. - **Specification ID:** 32 ECT Single Wall _(verified: appears in the quote below)_ - **Specification type:** corrugated_board _(our reading, not quoted from the source)_ - **Description:** Edge crush test, single wall corrugated - **Primary dimension:** 32 lbs/linear inch ECT - **Secondary dimension:** Fibre Box Handbook: 65 lbs max weight per box - **Equivalence or compatibility note:** Recommended by UPS for shipping up to 30 lbs - **Additional data:** UPS: 30 lbs; 32 ECT boxes are up to 19% lighter than 200 lb. test ## What the source says > 32 ECT Single Wall | 65 lbs | 30 lbs ## 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. ### Description uline.com says description is **Edge crush test, single wall corrugated**, as of 2026-08-12. > 32 ECT Single Wall | 65 lbs | 30 lbs Source: 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 **Edge Crush Test, single wall corrugated**, as of 2026-08-12. > 32 ECT Single Wall | 65 lbs | 30 lbs | Source: 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: 65 lbs max weight per box**, as of 2026-08-12. > 32 ECT Single Wall | 65 lbs | 30 lbs Source: 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 **65 lbs**, as of 2026-08-12. > 32 ECT Single Wall | 65 lbs | 30 lbs | Source: https://www.uline.com/Product/Detail/S-4406/Corrugated-Boxes-200-Test/12-x-9-x-6-Corrugated-Boxes ### Additional data uline.com says additional data is **UPS: 30 lbs; 32 ECT boxes are up to 19% lighter than 200 lb. test**, as of 2026-08-12. > 32 ECT Single Wall | 65 lbs | 30 lbs Source: 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 additional data is **UPS: 30 lbs**, as of 2026-08-12. > 32 ECT Single Wall | 65 lbs | 30 lbs | Source: https://www.uline.com/Product/Detail/S-4406/Corrugated-Boxes-200-Test/12-x-9-x-6-Corrugated-Boxes ## Source - https://www.uline.com/Product/Detail/S-18339/Corrugated-Boxes-32-ECT/12-x-9-x-6-Lightweight-32-ECT-Corrugated-Boxes - https://www.uline.com/Product/Detail/S-4406/Corrugated-Boxes-200-Test/12-x-9-x-6-Corrugated-Boxes 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/).