Hydrofluoric acid (UN1790)
For Hydrofluoric acid (UN1790), carrier is USPS; restriction type is prohibited; scope is all mail; conditions is Nonmailable corrosive, recorded from its source on 2026-08-04.
- Item category
- Hydrofluoric acid (UN1790)
- Carrier
- USPS our reading
- Restriction type
- prohibited our reading
- Scope
- all mail our reading
- Conditions
- Nonmailable corrosive unconfirmed
Values marked unconfirmed are shown, but we could not tie them to the quote below: Conditions. Read the quote and judge them yourself.
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
Hydrofluoric Acid (UN1790).
— pe.usps.com, retrieved 2026-08-04
Source
- pe.usps.comhttps://pe.usps.com/text/pub52/pub52c3_027.htm