Free technical reference sheets for packaging buyers, engineers and shippers: how to read UN markings, decode packaging codes, and check a container against the job before you fill it.
Each guide is readable online and as a printable Packaura PDF. They explain the standards in plain language and point to the regulation to confirm against.
How to Read UN Packaging Markings
The complete key to UN packaging marks: type numbers, material letters, X/Y/Z ratings, solids vs. liquids formats, V/W/T suffixes and common codes like 4G, 1A1 and 3H1.
Read online →Download PDFHazmat packaging: Drums
UN Markings for Open-Head Steel Drums (Solids)
Decode the UN mark on a 1A2 open-head steel drum certified for solids: type code, packing group letter, gross mass, year, country, certifier and metal thickness.
Read online →Download PDFUN Markings for Tight-Head Steel Drums (Liquids)
Decode the UN mark on a 1A1 tight-head steel drum certified for liquids: packing group, specific gravity, hydrostatic test pressure, year, country and certifier.
Read online →Download PDFHazmat packaging: IBCs
IBC Tote UN Codes and Markings
Decode IBC tote UN codes like 31HA1, read the mark and data plate, and check the 5-year service life and 2.5-year retest dates before filling.
Read online →Download PDFSearch 1,000+ packaging manufacturers and distributors in the Packaura directory, or send one RFQ from app.packaura.com.