Basic Knowledge of FIBC

May 21, 2019

What is an FIBC?

A flexible intermediate bulk container (FIBC) or bulk bag, or jumbo bag, or ton bag, is an industrial container made of flexible fabric that is designed for storing and transporting dry, flowable products, such as sand, fertilizer, and granules of plastic. Now FIBC are widely used worldwide in industries in which dry bulk solids are handled including food, chemicals, and even pharmaceuticals.


What does 5:1 SF mean?

Bulk bags are rated at an average 5:1 Safety Factor. This implies that the bag is stated to hold 5 times weight of its safe working load.


What is UV treated?

UV is for Ultra Violet. To protect from UV ray, additive is added during manufacturing process to protect the bag and filled materials from harmful UV ray.


What is a food grade FIBC?

Food grade bulk bags or food grade FIBC are known for storage of foods. Foods like sugar, rice and other similar products are stored inside these bags.


Can bulk bags be stored outside?

It is recommended to store FIBC under cover to protect from sunlight and adverse weather.


What is a Baffle Bag?

Baffles are pieces of fabric that are sewn to the inside corners of a bag to maintain its cube shape after filling. The baffles have holes that allow the product to flow freely through them. The baffles also prevent the bag from bulging, which makes the bag stand up straight and in turn allows the bags to be more efficient in their use of space. Net and tie baffles are another type of baffle option, but not as common.


What is a fill spout and discharge spout?

A fill spout is a spout usually have 40 cm diameter opening in the top-centre with 50 cm height. Fill spout is used to fill the bag, it reduces dust while the bag is being filled. The discharge spout is to discharge materials, usually have same diameter and height as filling spout. Both spout can be customized according to customer’s specific needs.


What are lift loops?

Lift loops are the loops made of woven polypropylene attached to corners or sides of the bags to lift the loaded bag by fork lift. The bags come with 4-loops, 2-loops and 1-loop. The popular is 4-loops in the market.


Can you print on to a bulk bag?

Yes, we can print your company name, logo, address and so on in 4-colours or black and white.


Can I use a crane to lift a bag?

Yes. But you have to use the right type of lifting straps which are made for a crane lift. You need to follow the appropriate manufacturer guidance when lifting a bulk bag.


What is a chain and over-lock stitching?

There are numerous designs of stitching when a bulk bag is sewed. Chain and over-lock stitching are used the most. Chain stitching is a technique where a series of looped stitches form a chain-like pattern. Over-lock stitching sews over the corners of two pieces of fabric. These styles are most commonly used because they have a tight seam, which assures of no sift occurrences.


What is the difference between duffle/skirt top and open top?

The difference between the two types of bags, is the duffel/skirt itself. An open top bag is just a bulk bag without a top closure.


Henan WenBang Industrial Co.,Ltd