# 200# Single Wall — Packaging specification equivalence: neck finishes, corrugated grades and pallet standards

For 200# Single Wall, specification type is corrugated_board; description is 200 pound Mullen burst test, single wall corrugated; primary dimension is 200 lbs/sq.in. burst; secondary dimension is Fibre Box Handbook: 65 lbs max weight per box; equivalence or compatibility note is Recommended by UPS for shipping up to 40 lbs, recorded from its source on 2026-08-12.

- **Specification ID:** 200# Single Wall _(verified: appears in the quote below)_
- **Specification type:** corrugated_board _(our reading, not quoted from the source)_
- **Description:** 200 pound Mullen burst test, single wall corrugated
- **Primary dimension:** 200 lbs/sq.in. burst
- **Secondary dimension:** Fibre Box Handbook: 65 lbs max weight per box
- **Equivalence or compatibility note:** Recommended by UPS for shipping up to 40 lbs
- **Additional data:** UPS: 40 lbs; 200# Test: 60% stronger bursting strength

## What the source says

> 200# Single Wall | 65 lbs | 40 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 **200 pound Mullen burst test, single wall corrugated**, as of 2026-08-12.

> 200# Single Wall | 65 lbs | 40 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 **200 lb. Mullen burst test, single wall corrugated**, as of 2026-08-12.

> 200# Single Wall | 65 lbs | 40 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.

> 200# Single Wall | 65 lbs | 40 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.

> 200# Single Wall | 65 lbs | 40 lbs |

Source: 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 **Recommended by UPS for shipping up to 40 lbs**, as of 2026-08-12.

> 200# Single Wall | 65 lbs | 40 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 equivalence or compatibility note is **200# Test: 60% stronger bursting strength. Recommended by UPS for shipping up to 40 lbs.**, as of 2026-08-12.

> 200# Single Wall | 65 lbs | 40 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: 40 lbs; 200# Test: 60% stronger bursting strength**, as of 2026-08-12.

> 200# Single Wall | 65 lbs | 40 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: 40 lbs**, as of 2026-08-12.

> 200# Single Wall | 65 lbs | 40 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/).