---
type: restriction
id: usps-adhesives-and-cements-un1133
asset: shipping-restrictions-by-class
title: "Adhesives and cements (UN1133) — Postal shipping restrictions by item category"
sources:
  - https://pe.usps.com/text/pub52/pub52c3_022.htm
source_quote: "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"
generated: true
harvested: 2026-08-04
stale_after: 2027-08-04
item_category: "Adhesives and cements (UN1133)"
carrier: "USPS"
restriction_type: "restricted"
scope: "domestic mail via surface transportation only"
conditions: "Mailable only if qualifies as Limited Quantity surface material and meets conditions; Packaging Instruction 3A or 3B as applicable"
verified: true
---
**Item category:** Adhesives and cements (UN1133)

**Carrier:** USPS

**Restriction type:** restricted

**Scope:** domestic mail via surface transportation only

**Conditions:** Mailable only if qualifies as Limited Quantity surface material and meets conditions; Packaging Instruction 3A or 3B as applicable

> 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>