UN Marking Code - Position 1
For UN packaging specification markings, the following codes and sequence are used:
UN: this indicates the packaging complies with UN recommendations.
Two to four position code: this code of number and letter combinations indicates the type of packaging, what the container is made of, and so on. Examples include: 4G, 6HG1. Let's take a closer look at this code.
Position 1: A number indicating the kind of packaging (drum, box, and so on):
- Drum
- Wooden barrel
- Jerrican
- Box
- Bag
- Composite packaging
- Pressure receptacle
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