FIBC bags are a versatile packaging solution that can transport and store a variety of products and materials. When you are transporting sand, food grade products, or hazardous materials, FIBCs offer you a packaging option with flexibility, durability, and affordability that are hard to find in the transport packaging industry.
Transporting and storing dangerous materials face somes unique challenges and stricter regulations. The hazardous nature of the products also require a special FIBC, UN Certified Bulk Bags. UN bags are manufactured, tested, and certified for a wide range of goods in environments where there is risk of fire, explosion, chemical burns, toxic contamination or environmental damage.
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UN BAG TYPES
At EPP VIETNAM, every UN bag design is tested by an independent test house, which ensures the bags meet the desired safety and quality parameters.
Watch a video about EPP's UN bulk bags click here.
Compared to standard FIBC, UN bags are extra strong constructed in order to prevent leakage of the dangerous materials even when the big bag is in a stressed situation.
UN FIBC Bags can be classified in 3 Packing group, separated by the Degree of Danger:
|
Degree of Danger |
Packing Group |
UN Symbol |
Max. Volume |
|
High |
I |
X |
1,5 m3 |
|
Medium |
II |
Y |
3 m3 |
|
Low |
III |
Z |
3 m3 |
CONSTRUCTION OF UN BIG BAGS
UN bulk bags can be divided into four major types:
- 13H1 uncoated fabric and without inliner
- 13H2 coated fabric and without inliner
- 13H3 uncoated fabric and with inliner
- 13H4 coated fabric and with inliner
MARKING UN FIBC BAGS
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Every UN bag design has a unique UN number that provides important information:
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Additionally, UN FIBCs must be marked with a stacking load pictogram
Optionally on UN Bags can be printed signs about the products like:
- Class 4.1: Flammable solids, self reactive substances and desensitized explosives
- Class 4.2: Substances liable to spontaneous combustion
- Class 4.3: Substances that emit flammable gases when they come in contact with water
- Class 5.1: Substances that oxidize
- Class 5.2: Organic peroxides
- Class 6.1: Toxic substances
- Class 8: Corrosive substances
- Class 9: Miscellaneous dangerous substances and articles
HOW UN FIBCS ARE TESTED
Top lift test
The big bag is loaded with six times its maximum gross mass and kept under this weight for 5 minutes. The big bag must not have any damage from this.
Stacking test
The big bag is loaded to its maximum allowable gross weight. Than 1.8 times the maximum stacking weight is loaded on top of the test bag for 24 hours. The big bag passes the test if there is no deterioration of the body or loss of content.
Drop test
The big bag is loaded with its maximum permissible gross mass and dropped from a) 1.2m if packaging group II and b) 0.8m if packaging group III. The UN bag shall not have loss of content.
Tear test
A 10cm hole is cut with a knife into a fully loaded UN bag. Then the double of the maximum gross load is applied to the UN bag for 5 minutes. The UN big bag is then lifted for 5 minutes. The UN bag passes if the hole does not increase by more than 25%.
Topple test
The UN bag is toppled from a) 1.2m height if packaging group II and b) 0.8m height if packaging group III. The bag shall not have loss of material.
Righting test
The UN bag is fully filled with its maximum permissible weight. The UN bag lying on its side is then lifted with a speed of 0.1m/s to upright position. The bag shall not have damage from this.
CONSTRUCTION OF UN BIG BAGS
Constructions :
Top options:
Botttom options:
Loops options:
EPP Vietnam Co., Ltd is always ready to serve you. Customers will receive a quick quotation, advice on choosing the right type of bag with a reasonable price.
Contact our Sales team immediately:
Website: epp.vn/ https://eppvietnam.trustpass.alibaba.com/
Mrs Charlie: +84 986 002 888 - sales@epp.vn
Ms. Lee: +84 98 141 9896 - sales01@epp.vn
Ms. Jennifer: +84 962 055 998 - sales02@epp.vn