All flammable liquids with flashpoint of 20 F (-7 C) or below
For All flammable liquids with flashpoint of 20 F (-7 C) or below, carrier is USPS; restriction type is prohibited; scope is all mail; conditions is All flammable liquids with flashpoint at or below 20 F are prohibited from mailing, recorded from its source on 2026-08-04.
- Item category
- All flammable liquids with flashpoint of 20 F (-7 C) or below
- Carrier
- USPS our reading
- Restriction type
- prohibited our reading
- Scope
- all mail our reading
- Conditions
- All flammable liquids with flashpoint at or below 20 F are prohibited from mailing
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
All flammable liquids having a flashpoint of 20° F (-7° C) or below are prohibited from mailing.
— pe.usps.com, retrieved 2026-08-04
Source
- pe.usps.comhttps://pe.usps.com/text/pub52/pub52c3_022.htm