# Adhesives and cements (UN1133) — Postal shipping restrictions by item category

For Adhesives and cements (UN1133), carrier is USPS; restriction type is restricted; scope is domestic mail via surface transportation only; conditions is Mailable only if qualifies as Limited Quantity surface material and meets conditions; Packaging Instruction 3A or 3B as applicable, recorded from its source on 2026-08-04.

- **Item category:** Adhesives and cements (UN1133)
- **Carrier:** USPS _(our reading, not quoted from the source)_
- **Restriction type:** restricted _(our reading, not quoted from the source)_
- **Scope:** domestic mail via surface transportation only _(our reading, not quoted from the source)_
- **Conditions:** Mailable only if qualifies as Limited Quantity surface material and meets conditions; Packaging Instruction 3A or 3B as applicable

## What the source says

> 52/pub52apxc_001.htm#ep999476> Appendix C must be followed. Adhesives and Cements (UN1133): A flammable liquid with an approximate flashpoint of 73&deg; F (23&deg; C) is mailable only if it qualifies as a Limited Quantity surface material and meets the conditions in 343.21 or 343.22 as applicable. Packaging Instruction 3A or 3B in <https://pe.usps.com/text/p

## Source

- https://pe.usps.com/text/pub52/pub52c3_022.htm

Last verified: 2026-08-04. Review by: 2027-08-04.
Part of [Postal shipping restrictions by item category](https://referencesource.org/shipping-restrictions-by-class/).