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Things You Should Know about Jumbo Bags

What are Jumbo bags?

Jumbo bags, as known as bulk bags, cement bags, container bags, one ton bags, bulk container bags, big bags, mesh bags, mail bags, FIBC bags, are specially designed bags for shipping or transportation of flowable and dry products. These bags are durable, so you don’t need to worry about quality issues even in the toughest environment. Jumbo bags are made from woven polypropylene fabric, so they are very safe and environment-friendly.


What are type A B C and D Jumbo bags?


  • Type A Jumbo bags

Type A jumbo bags are made of non-conductive fabrics. Static electricity happens when products move over or rub against the inside surface of the jumbo bag when they are discharged or filled up.  Jumbo bags type A can’t provide static protection, so we can only use them to transport non-flammable products.


  • Type B Jumbo bags

Type B jumbo bags are similar to Type A jumbo bags, they are made of non-conductive material as well. Therefore, Type B jumbo bags can’t dissipate static electricity. Don’t use type B jumbo bags when flammable elements are present around the jumbo bag.


  • Type C Jumbo bags

Type C jumbo bags are made from non-conductive fabrics interwoven with conducting threads. We have to connect these conducting threads to a designated ground during discharging and filling process. We can use type C jumbo bags to transport flammable products.


  • Type D Jumbo bags

Type D jumbo bags are specially designed to safely prevent the occurrence of static electricity and incendiary sparks without connecting to a designated ground during discharging and filling process. We can use type D jumbo bags to safely transport flammable products as well.


What are types of jumbo bag construction?


Jumbo bag construction means the way the sheets of woven polypropylene are stitched together to form a jumbo bag. There are three different construction types and these types can have a significant impact on the specific industry applications and safe working load.


  • U-Panel Jumbo Bag Construction

U-panel jumbo bag is the most common one in the industry. It has three body panels, one forming the bottom and two sides, while two other panels form the other two sides. This construction allows U-Panel jumbo bags offer high safe working loads and great durability.


  • Circular Jumbo Bag Construction

Circular bags are constructed with a single piece of fabric which forms all sides of the bag. Although the fabric is tubular, this type of jumbo bag will still resemble a square bag when filled.


  • Four-Panel Jumbo Bag Construction

Four-panel jumbo bags are made with four individual pieces stitched together to form a square shape. Generally, four-panel bags hold their shape better than U-panel bulk bags, and U-panel bulk bags hold their shape better than circular bulk bags. One disadvantage of four-panel jumbo bags is that it requires much stitching to make the jumbo bag.



Our Jumbo Bag Expertise


If you need assistance with choosing the suitable jumbo bags, welcome to contact us!

Rockwell Engineering and Equipment Pte Ltd

Tel: +65-6464 9347
Tel: +65-9673 6302


24 Tuas Avenue 8 Singapore 639239

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