---
type: restriction
id: usps-corrosive-liquid-mixtures-qualifying-as-limited-quantity-domestic
asset: shipping-restrictions-by-class
title: "Corrosive liquid mixtures qualifying as Limited Quantity — domestic — Postal shipping restrictions by item category"
sources:
  - https://pe.usps.com/text/pub52/pub52c3_027.htm
source_quote: "Domestic Mail: Corrosive materials may be mailable if they meet Limited Quantity requirements for air or surface transportation"
generated: true
harvested: 2026-08-04
stale_after: 2027-08-04
item_category: "Corrosive liquid mixtures qualifying as Limited Quantity — domestic"
carrier: "USPS"
restriction_type: "restricted"
scope: "domestic mail via air or surface transportation"
conditions: "Mailable if 1 pint or less and contains 15% or less corrosive material; must meet Limited Quantity requirements"
verified: false
unverified_fields: carrier, conditions, item_category
---
**Item category:** Corrosive liquid mixtures qualifying as Limited Quantity — domestic

**Carrier:** USPS

**Restriction type:** restricted

**Scope:** domestic mail via air or surface transportation

**Conditions:** Mailable if 1 pint or less and contains 15% or less corrosive material; must meet Limited Quantity requirements

> Domestic Mail: Corrosive materials may be mailable if they meet Limited Quantity requirements for air or surface transportation

Source: <https://pe.usps.com/text/pub52/pub52c3_027.htm>