What is Un Certified ( UN ) Big Bag, Bulk Bag ?

The international transport of dangerous goods in Big Bag is regulated by a number of international codes based on the United nations Recommendations on the Transport of dangerous Goods - commonly known as the Orange Book. Orange Book divides Big Bag into six categories namely metal, flexible, rigid plastics, composite, fibreboard and wooden.There are four types of Big Bag described ,which constitute the great majority of the FIBCs and they are as follows ;

PP woven Big Bag, without coating (13H1)
PP woven Big Bag, coated (13H2)
PP woven Big Bag, with liner, without coating (13H3)
PP woven Big Bag, with liner and coating (13H4)

Isbir Sentetik, with long years of experience, produces UN Certified ( UN ) Big Bag for Packaging Groups II and III which are certified by well known laboratories. Should you need any assistance on UN Approved FIBCs please do not hesitate to contact us at
UN Big Bag Symbol

UN Test

Several tests are applied to the UN Certified ( UN) Big Bag in order to verify UN requirements such as ;
Top lift test, Tear test, Stacking test, Drop test, Topple test , Righting test

The test house authorised by the national government to carry out UN performance tests on its behalf and to issue National Test Certificates to UN standard by competent authorities will prepare a report which is the basis on which the certificate is issued. This report will describe in detail not only the specification of the Fibc tested but the test levels at which the Fibc passed. The certificate is unique to the type of Fibc tested and may only be used to cover the carriage of products within the limit of the UN test.

UN Marking on Big Bag, Bulk Bag

All the UN Certified ( UN ) Big Bag must have the UN mark on them. The appereance of this mark is described in the Orange Book. A marking example

13H3 / Z / 11.01 / US / ISBIR SENTETIK / 10500 / 1000

13H3 Denotes Big Bag with liner
Z Denotes that the Big Bag has been tested to carry Packing Group III product
11.01 Denotes the month and year of manufacture
US Denotes the country issuing the UN test certificate
ISBIR SENTETIK Denotes the manufacturer
10500 Denotes the stacking test weight applied in kgs
1000 Denotes maximum weight of contents in kgs