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UN Packaging

UN Packaging by Challenge Packaging offers certified, durable solutions for the safe transport of hazardous goods in compliance with international regulations. Our UN-approved packaging range is engineered to meet strict safety standards, providing peace of mind whether you're shipping chemicals, flammable liquids, or other regulated substances.

With a focus on sustainability and reliability, Challenge Packaging helps businesses transport dangerous goods securely while maintaining environmental responsibility.

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What is UN approved packaging?

UN approved packaging is a type of box or liner that has been produced, tested, and certified by the United Nations in order to safely transport dangerous materials – solid or liquid. UN boxes and UN certified packaging is developed for its durability, stability and water absorption. Doing so assures its efficacy in safely transporting high-risk goods, including infectious substances, flammable items and liquids, chemicals, toxic substances, pesticides and more.

Find the right UN approved packaging for your goods 

Many types of containers, materials, and packaging groups fall within this line of products. Challenge Packaging specialises in the following:

UN-approved boxes

  • Boxes approved for meeting UN standards to carry hazardous goods by rail, air, land, and sea.
  • These boxes are ideal for solid or packaged dangerous goods that require strong outer protection.
  • 4G boxes are designed to hold inner packaging like bottles or tins.
  • 4GV boxes are designed for a wider variety of inner packaging types.

UN-certified liners

  • Polythene bags that are certified to carry dangerous items, even without using UN-approved boxes.
  • The box or liner you use will depend on the amount of goods classified by their 4G or 4GV rating.
  • Suitable for transporting dangerous goods without a UN-approved box.
  • Lightweight, space-saving, and versatile.

UN certified packaging requirements guide 

If you’re shipping hazardous goods, you’ll need to use UN-approved packaging, and follow a UN certified packaging requirements guide

Testing & Certification

The manufacturer of our UN packaging, Tri-Wall, tests and certifies all UN packaging to ensure it meets all international standards for transporting hazardous materials. They do this to ensure that its UN Dangerous Goods packaging is tested and certified through a robust, fully in-house process, meeting all international standards for transporting hazardous materials.

Their labs replicate real-world transport conditions to ensure packaging integrity under stress. Tests include:

  • Strength testing
  • Drop testing
  • Vibration testing
  • Pressure testing
  • Temperature extremes (hot & cold)
  • Moisture and high humidity exposure
  • Blast and corrosion resistance

Why choose Challenge Packaging?

There can be no compromising on UN packaging, so our specialised UN packaging for the transport of flammable, toxic and corrosive substances is reliable and thoroughly tested to meet UN criteria. Transport dangerous goods by rail, sea, air, and land with this range of specialised packaging solutions.

Our UN certified boxes are available in a range of different sizes, promising versatility for transporting various hazardous cargo. Plus, you can package smaller items together and add all the necessary precautions in transit with UN certified liners, safe for reuse and transport even without a UN certified box.

FAQs

Why do certain goods need UN-approved packaging?

A failure to transport hazardous materials safely, such as sending them in substandard packaging, can result in harm to people, property, animals, and the environment.

What dangerous goods categories are there?

There are 9 dangerous goods categories, as follows: 
  • Type 1: Explosives
  • Type 2: Gases
  • Type 3: Flammable liquids
  • Type 4: Flammable solids
  • Type 5: Oxidizing substances and organic peroxide
  • Type 6: Toxic and infectious substances
  • Type 7: Radioactive material
  • Type 8: Corrosive
  • Type 9: Miscellaneous dangerous goods

How can I understand the codes on UN-approved packaging?

UN packing codes show that a package has been tested and certified for transporting hazardous goods. Each part of the code tells you things like the type of packaging, the strength, and what it can carry safely.

Example: UN 4G/Y145/S/22/GB/CP123

  • UN = UN approved
  • 4G = Fibreboard box
  • Y = Medium danger (Packing Groups II & III)
  • 145 = Max gross weight (kg)
  • S = For solids or inner packagings
  • 22 = Year of manufacture
  • GB = Country code
  • CP123 = Manufacturer/test code

You can find a more in-depth breakdown of what UN-approved packaging codes mean on our UN-approved packaging guide .

What are the key UN requirements for packaging?
UN packaging must be designed, tested, certified, marked, and used exactly as specified, no improvisations. 

Delivery Zones & Charges

Postcodes - SG,CM,CO,SS,ME,CT,TN,BN,RH,GU,PO,SO,RG,SL,HP,LU,AL,WD, EN,RM,DA,BR,CR,KT,TW,UB,HA,NW,N,E,IG,E,SE,SM,SW,W,WC,EC 2-5 Working Days  £100 Basket Value = Free Delivery, less than £100 basket value = £12.50 Delivery.

Postcodes - SN,SP,BH,BS,BA,DT,TA,EX,TQ,PL,TR,NR,IP,CB 2-5 Working Days £125 Basket Value = Free Delivery, less than £125 basket value = £25.00 Delivery.

Postcodes - TF,ST,WV,WS,HR,WR,DY,B,GL,CV,LE,OX,NN,MK,PE, CH,CW,SK,WA,L,M,OL,WN,FY,PR,BB,BL,OL,DE,NG, LN,S,DN,HU,HD,WF,YO,LS,HX,BD,HG,TS,DL,LA,CA,NE 2-5 Working Days £150 Basket Value = Free Delivery, less than £150 basket value = £30.00 Delivery.

Postcodes - LL,SY,SA,LD,CF,NP 2-5 Working Days £250 = Free Delivery, less than £250 basket value = £40.00 Delivery.

Postcodes - KW,IV,AB,PH,DD,PA,FK,KY,G,KA,ML,EH,DG,TD,BT 2-5 Working Days  £500 Basket Value = Free Delivery, less than £500 basket value = £50.00 Delivery.