Elevated temperature liquid, n.o.s., at or above 100° C and below its flashpoint (including molten metals, molten salts, etc.)
For Elevated temperature liquid, n.o.s., at or above 100° C and below its flashpoint (including molten metals, molten salts, etc.), carrier is USPS; restriction type is prohibited; scope is domestic mail (air and surface); conditions is Hazard class 9, UN3257, packing group III; domestic mail air: Prohibited; domestic mail surface: Prohibited, recorded from its source on 2026-08-10.
- Item category
- Elevated temperature liquid, n.o.s., at or above 100° C and below its flashpoint (including molten metals, molten salts, etc.) verified
- Carrier
- USPS our reading
- Restriction type
- prohibited our reading
- Scope
- domestic mail (air and surface) our reading
- Conditions
- Hazard class 9, UN3257, packing group III; domestic mail air: Prohibited; domestic mail surface: Prohibited verified
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
Elevated temperature liquid, n.o.s., at or above 100° C and below its flashpoint (including molten metals, molten salts, etc.) 9 UN3257 III Prohibited Prohibited
— pe.usps.com, retrieved 2026-08-10
Source
- pe.usps.comhttps://pe.usps.com/cpim/ftp/pubs/pub52/pub52.pdf