Flammable solids · Royal Mail / Post Office
What is the item category for Flammable solids · Royal Mail / Post Office?
For Flammable solids · Royal Mail / Post Office, item category is Flammable solids; carrier is Royal Mail / Post Office; restriction type is prohibited; scope is UK & International; conditions is (including magnesium, phosphorous, potassium, sodium, zinc powder, sparklers and fire lighters) Solid materials which are liable to cause fire by friction, absorption of water, spontaneous chemical changes or retained heat from manufacturing or processing, or which can be readily ignited and burn vigorously eg adhesives, calcium carbide, cellulose nitrate products, fire lighters, matches, metallic magnesium, nitro-cellulose based film, phosphorous, potassium, sodium, sodium hydride, sparklers, zinc powder, zirconium hydride, recorded from its source on 2026-08-30.
Flammable solids (including magnesium, phosphorous, potassium, sodium, zinc powder, sparklers and fire lighters) Solid materials which are liable to cause fire by friction, absorption of water, spontaneous chemical changes or retained heat from manufacturing or processing, or which can be readily ignited and burn vigorously eg adhesives, calcium carbide, cellulose nitrate products, fire lighters, matches, metallic magnesium, nitro-cellulose based film, phosphorous, potassium, sodium, sodium hydride, sparklers, zinc powder, zirconium hydride International – not allowed in the mail UK – not allowed in the mail
— postoffice.co.uk, retrieved 2026-08-30
- Item category
- Flammable solids verified
- Carrier
- Royal Mail / Post Office our reading
- Restriction type
- prohibited our reading
- Scope
- UK & International our reading
- Conditions
- (including magnesium, phosphorous, potassium, sodium, zinc powder, sparklers and fire lighters) Solid materials which are liable to cause fire by friction, absorption of water, spontaneous chemical changes or retained heat from manufacturing or processing, or which can be readily ignited and burn vigorously eg adhesives, calcium carbide, cellulose nitrate products, fire lighters, matches, metallic magnesium, nitro-cellulose based film, phosphorous, potassium, sodium, sodium hydride, sparklers, zinc powder, zirconium hydride 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.
Source
- postoffice.co.ukhttps://www.postoffice.co.uk/mail/what-can-i-send