FIBC bag
A flexible intermediate bulk container (FIBC) is an industrial container made of a flexible fabric designed for storing and transporting dry, flowable products. These large, sturdy bags offer numerous benefits in terms of storage, transportation, and handling of bulk materials. However, it is crucial to understand that not all FIBCs are created equal. Different types of FIBCs exist, each designed to meet specific requirements and address unique challenges. Keep reading to learn the differences between the five styles and which type may be best suited to your bulk packaging needs.
01. U-Panel Bulk Bags
U-panel bags are constructed with three main body components: one piece that runs the full length of the bag forming the bottom and two sides (the “U”) and two additional pieces of fabric sewn between the “U” on two sides (the “panels”).
Generally, U-panel bags will maintain a square shape when filled, especially with the addition of internal baffles. U-panel bags are an industry standard and the most popular type of construction.
02. Sacs en vrac circulaires
Les sacs circulaires, également appelés sacs tubulaires, sont construits avec deux composants principaux : le tube du corps et la base.
Le corps du sac est constitué d'un tissu tubulaire sans couture qui forme tous les côtés du sac, ce qui permet de coudre uniquement le haut et la base du sac. Bien que le tissu soit tubulaire, une fois rempli, un sac circulaire ressemblera toujours quelque peu à un sac carré.
Il existe une idée fausse courante concernant la forme des sacs circulaires une fois remplis. Ils ne sont pas vraiment circulaires : ils sont simplement construits avec une seule pièce de tissu qui forme les quatre côtés du sac. Bien qu'ils ressemblent toujours à des FIBC carrés ou rectangulaires une fois remplis, ils conservent le moins cette forme parmi tous les types de construction
03. 4-Panel Bulk Bags
A very common bulk bag style, 4-panel bags are constructed with five main body components: four side panels and the base.
When filled, a 4-panel bag will hold its square shape similar to other construction types. Typically, 4-panel bags will hold their shape better than U-panel bags, while U-panel bags will hold their shape better than circular bags.
Due to the large amount of stitching required, a 4-panel bag has a greater opportunity to fail at the seams and is prone to sifting. Nevertheless, 4-panel bags are ideal for storage due to the way they hold their shape when filled.
04. Baffled Bulk Bags
Baffles are an internal component that can be added to a U-panel, 4-panel, or circular-style bag. More specifically, baffles are fabric panels or strings sewn inside each of a bulk bag’s four corners that allow it to maintain a square shape when filled.
Without baffles, the construction types listed above can bulge or belly at the sides when filled.
Also called Q bags, baffled bags are ideal due to their stability and stackability. They also improve overall storage capacity. The most common type of baffled bag is a 4-panel baffled bag.
