UN Packaging - How to Read
| Sample UN Marking: | |
1A2 / Y1.9 / 100 / 99USA / M4121
1 A 2 / Y 1.9 / 100 / 99USA / M4121 |
|
UN |
The United Nations System |
1 |
Type of Package
1. Drums/Pails
2. Barrels 3. Jerricans 4. Boxes 5. Bags 6. Composite Packagings |
|
A
|
Material of Construction
A. Steel
B. Aluminum C. Wood G. Fibre H. Plastic |
|
2
|
Category Within Type
1. Closedhead
2. Openhead |
|
Y
|
Packaging Group for which drum was tested
X. for Packaging Group I, II, III
Y. for Packaging Group II and III Z. for Packaging Group III Packaging Group I: Great Danger (high hazard level) Packaging Group II: Medium Danger (medium hazard level) Packaging Group III: Minor Danger (low hazard level) |
|
1.9
|
Density or specific gravity of material packed
OR
For packaging intended for Solids or that have inner packaging, this
marking will indicate the maximum gross mass (weight) in kilograms.
|
|
100
|
Hydraulic pressure in kilo-pascal (kPa)
OR
For packaging intended for Solids or that have inner packaging, an
"S" in upper case will follow the gross mass.
|
|
99
|
Current year |
|
USA
|
Country where drum was manufactured |
|
M4121
|
Code for manufacturing plant |
|
Quick Conversion Chart for Hydraulic Pressure:
|
|
|
1 mm Mercury
1 inch Water 1 inch Water 1 inch 1 inch Water 1 pound per square inch
=
= = = = =
.1335 kPa
.07355 inch of Mercury .249 kPa 25.4 mm 1.868 mm Mercury 6.89 kPa |
|
