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Type A

Used to transport non-flammable dry products.  This type of Flexible Intermediate Bulk Container or  bulk bag is not manufactured with any anti-static properties, so this type will not eliminate static electricity.  This type of material is not safe to transport any dry product which could be explosive or flammable.

Type B

Type B Flexible Intermediate Bulk Containers are manufactured with insulating fabric and can be used with combustible dust with MIE greater than 3mj.  However, this type cannot be used with any product containing flammable vapors or gases MIE <3mj.

Type C

Type C FIBC bags are used for safely shipping both combustible and flammable products.  This bag has conductive threads laced throughout the material and must be electrically grounded with a wire to work properly.  This type will eliminate the risk of static electricity.

Type D

This bag type is comparable to Type C bags, but due to the material construction, you are not required to physically ground the bag.  Chromiq Blue material is the leading manufacturer of this material.

Always check with a certified FIBC bulk bag company to ensure you are using the correct bag type to reduce the chance of any safety issues.  FIBCA also has really good information about the correct type of bag to use for your specific product.

Certified Bags means the bags were made in a manufacturing facility that has been certified by a company licensed to audit the facility to ensure all safety protocols are being followed when manufacturing.  Several companies will audit the plants to certify them as suitable to manufacture food-grade bags.  Some are BRC, IFS, FSSC, and SQF.

Pharmaceutical FIBC bulk bags are manufactured with the most stringent processes to ensure there are no foreign materials in the bags when completed.  These must go through an additional process to vacuum out, run through metal detectors, etc.  There are thorough audits that must take place to certify a manufacturing plant to produce pharmaceutical FIBC bulk bags.  We are able to make any custom bag you may need.

There are six main types of Flexible Intermediate Bulk Containers.  They are circular, u-panel, four-panel, baffle bags, vented bags and dewatering bags.  These are discussed below.

Circular

Circular bulk bags are the least costly bag to produce, as the body of the bag is made exclusively by machines. Essentially, they start with a tube and then sew on the type of bottom and top.  These are durable bags, as they have fewer seams where issues can arise.

U-Panel

This design is like the four-panel bulk bag allowing it to keep its square shape while having less stitching.  The less stitching you have on a bag, the less chance of a failure while loading and shipping the product.  Therefore, this FIBC bag design will fall in between circular and four-panel bags regarding durability and maintaining more of a square shape.

Four-Panel

This bag is made using four separate panels which are then sewn together.  This type of bag is going to maintain a better square shape vs. a circular bag.  However, it will not support as much weight as a circular bag due to the additional sewn-in seams.

Baffle Bags

This type of FIBC bulk bag has baffles down the corners of the bag to allow material to flow into the baffles while loading.  The bag only works with dry products which are small and flowable, as they must be able to load into the baffles without getting impeded.  Plastic resin pellets, corn, soybeans, and rice are good examples of products that do well in these bags.  The benefit of a baffled bag is that it will remain very square and allows solid stacking ability.

Vented Bags

This bag has special material which allows the bag to breathe and is good for food items such as potatoes, or other vegetables which may be prone to mold while transporting.

Dewatering bags

For special draining circumstances

Mining

Mining is a perfect industry to utilize FIBC bulk bags, as mines are usually in a remote setting and tend to ship the product globally.  These bags are ideal for this environment and can easily be transported out into the field, are easy to load, and are waterproof.

Minerals shipped in FIBC bags

Calcium carbonate

Magnesium hydroxide

Magnesium oxide

Talc

Sulfur

Molybdenum

Cobalt

Niobium

Copper

Tungsten

Pigments

Potash

Sodium bicarbonate (baking soda)

Graphite

Barite

Bentonite

Titan dioxide

Barium sulfate

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