United Nations has grouped the goods upon to the danger levels of threatening human life. UN has defined the rules and recommendations of the transportation of the goods according to their danger levels like toxicity, explosivity, and flammability etc.

According to these rules and recommendations, UN big-bags are the bags properly produced for the transportations of the dangerous goods.

UN has defined the spesifications of the big-bags upon the requirements of the goods to be transferred. The spesifications variations are stated below with their universal codes.

• 13H1 – PP FIBC – Uncoated without liner
• 13H2 – PP FIBC – Coated without a liner
• 13H3 – PP FIBC – Uncoated, with a liner
• 13H4 – PP FIBC – Coated, with a liner

Safe working load (SWL) is 2000kg, with a safety factor (SF) of 6:1. UN FIBC are produced with flat, outlet, or conical bottoms that simplify the emptying process, especially with materials that don’t flow so freely.