Reference Source

Self-reactive solid type E, temperature controlled

For Self-reactive solid type E, temperature controlled, carrier is USPS; restriction type is prohibited; scope is domestic mail (air and surface); conditions is Hazard class 4.1, UN3238, packing group II; domestic mail air: Prohibited; domestic mail surface: Prohibited, recorded from its source on 2026-08-10.

Item category
Self-reactive solid type E, temperature controlled verified
Carrier
USPS our reading
Restriction type
prohibited our reading
Scope
domestic mail (air and surface) our reading
Conditions
Hazard class 4.1, UN3238, packing group II; domestic mail air: Prohibited; domestic mail surface: Prohibited verified
Sourcepe.usps.com
Verified
Review by
DatasetPostal shipping restrictions by item category

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

Self-reactive solid type E, temperature controlled 4.1 UN3238 II Prohibited Prohibited

pe.usps.com, retrieved 2026-08-10

Source

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