Self-reactive liquid type B · USPS
What is the item category for Self-reactive liquid type B · USPS?
For Self-reactive liquid type B · USPS, item category is Self-reactive liquid type B; carrier is USPS; restriction type is prohibited; scope is domestic mail (air and surface); conditions is Hazard class 4.1, UN3221, packing group II; domestic mail air: Prohibited; domestic mail surface: Prohibited, recorded from its source on 2026-08-30.
Self-reactive liquid type B 4.1 UN3221 II Prohibited Prohibited
— pe.usps.com, retrieved 2026-08-30
- Item category
- Self-reactive liquid type B verified
- Carrier
- USPS our reading
- Restriction type
- prohibited our reading
- Scope
- domestic mail (air and surface) our reading
- Conditions
- Hazard class 4.1, UN3221, packing group II; domestic mail air: Prohibited; domestic mail surface: Prohibited
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.
Source
- pe.usps.comhttps://pe.usps.com/cpim/ftp/pubs/pub52/pub52.pdf