National Bulk Bag Blog

Hazardous Materials and UN FIBCs

Updated: 10-23-2025

Bulk bags (FIBCs) are being used across more industries than ever—construction, food, pharmaceuticals, and more. But when hazardous materials are involved, standard bags aren’t enough. That’s where UN certified bulk bags come in.

UN Certified Bulk Bags: Rigorous Testing Procedures (Part 2 of 2)

Updated: 8-21-25

Part one of this series explained how UN Certified Bulk Bags are prepared and tested through vibration, top lift, and stack tests. If that post was missed, click here to read it.

This second part covers the last four tests required for UN certification: the drop test, topple test, righting test, and tear test. These tests help make sure the bags are strong and safe to use.

UN Certified Bulk Bags: Rigorous Testing Procedures (Part 1 of 2)

Updated: 8-13-25

Transporting and storing hazardous materials is challenging and you must follow strict safety rules. Because these materials can be dangerous, a special type of bulk bag is needed: a UN Certified Bulk Bag.

Whether you're dealing with chemicals, flammable substances, or materials that pose a risk of contamination, UN Certified Bulk Bags offer the durability and reliability needed to keep your operations safe and compliant.

Identification and Labeling Standards for UN Bulk Bags

 Updated: 11-06-25

If you’re already using FIBCs (Flexible Intermediate Bulk Containers) to move or store hazardous materials, you’re probably using UN bulk bags. If not, this guide will help you figure out if they’re right for your needs 

All About UN Bulk Bags/FIBCs

In certain situations involving the storage and transport of hazardous materials, a standard FIBC won’t suffice. Standard bags are chemically resistant from manufacture because of the woven polypropylene in which they are constructed; certain materials are too corrosive and/or dangerous to use a standard bag.

Download our Product Weight Guide & FIBC Volume Calculator

Product Weight Guide and FIBC Volume Calculator

Download our Product Weight Guide and FIBC Volume Calculator to help you determine how much weight a specific bag will hold.


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