The Definitive Guide to Shipping  4G/4GV/4GU UN Certified Boxes


When shipping hazardous materials, it’s essential to ensure that your boxes are UN certified. This certification ensures that the box is safe and secure for the shipment of materials, so you can have confidence that your goods will arrive without any issues. But what exactly do these certifications mean?

In this article, we’ll explain exactly what 4G/4GV/4GU UN certified boxes are and how to use them correctly when shipping hazardous materials.

What Are 4G/4GV/4GU Boxes?

These boxes are used to ship a variety of hazardous materials. The “G” in each designation stands for “general purpose” and indicates that the box is suitable for a broad range of dangerous goods. The numbers refer to the type of material being shipped:

  • UN 4G box indicates that the box is suitable for packaging solids (such as powders or granules)
  • 4GV indicates that the box is suitable for packaging liquids (such as acids or corrosives)
  • 4GU indicates that the box is suitable for packaging gases (such as flammable or toxic gases).

Each type of box must meet strict requirements set by the United Nations in order to be considered “UN certified.”

These requirements include testing to ensure that the construction and design of the box meets all necessary safety standards. It also means that each box must be clearly labelled with specific information about its contents. This allows carriers to quickly identify what they are carrying and move it safely through their systems.

When Should You Use UN Certified 4G/4GV/4GU Boxes?

The most important factor when deciding on which type of box you should use for your shipment is whether or not the material being shipped is considered hazardous according to international transport regulations.

If it is classified as hazardous then you must use a box that has passed all the necessary UN certification tests in order to ensure your shipment complies with these regulations.

It is also important to remember that even if the material being shipped is not considered hazardous you may still need a UN certified box if it contains any corrosive or flammable substances as these too must be packaged according to specific standards before being transported by air or sea freight services.

How Can You Make Sure Your Shipments Are Safe?                     

Once you have chosen your box and checked that it meets all the necessary requirements for transporting dangerous goods there are still some other steps you can take to help ensure your shipment arrives safely at its destination.

First, make sure that all items being shipped are properly secured within the box and cannot move around during transit as this will help reduce any potential risk of damage caused by shifting cargo inside the container during transport.

Second, always double check all labels on both outer packaging and inner containers prior to shipping as incorrect labelling could cause delays at customs or even result in fines if incorrect information is provided on export documents accompanying your shipment.

Finally, when packing larger shipments consider using additional foam inserts or bubble wrap inside each individual package in order to provide additional protection against shocks during transit which may otherwise damage fragile items inside each container


Shipping hazardous materials comes with an added degree of responsibility—but it doesn’t have to be difficult! By understanding what 4G/4GV/4GU UN certified boxes are and how they should be used properly when shipping hazardous materials, you can confidently send packages knowing they will arrive safely at their destination every time!

With this guide, you now have a better understanding of all aspects related to using these specialised boxes for your shipping needs!

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