Difference Between Type A, B, C, and D FIBC Bags

A FIBC bags is an industrial container made of flexible fabric that is designed for storing and transporting dry, flow able products, such as sand, fertilizer, and granules of plastic. they are more popularly known as ‘Jumbo bags’ and are used mainly by food production and pharmaceutical industries.
Usually, these FIBC bags can hold weight of about 50 to 2500 kg. However, these dimensions can change depending on the requirements and preferences of customers.

Differences Between Types A, B, C and D FIBC Fabrics

FIBC fabrics are all about controlling static electricity, which is a variance of electric charges within or on the surface of a material. When FIBCs are filled and discharged, the flowing of the finely powdered substances can cause a build-up of static electricity. Removing and or preventing an electrical charge is imperative in the packaging of flammable and combustible materials OR in an environment where combustible dust is present.

Type A Bags:
Type A FIBCs are made of plain-woven polypropylene and other non-conductive fabrics. Static electricity is generated as products move over or rub against the inside surface of the bulk bag when they are filled/emptied. There is no static protection provided by Type A FIBCs

• Type A FIBC bags can safely be used for the transportation of non-flammable products.
• Don’t use type A Bag When flammable solvents or gases present around a Type A FIBC.
• Do not Transporting flammable products.

Type B Bags:

These FIBCs made from materials that have a low breakdown voltage to prevent an incident where highly energetic, and dangerous propagating brush discharges occur. This is quite effective for the prevention of explosive dust-air mixtures from igniting. However, these bags cannot dissipate static electricity and hence cannot be termed as ‘antistatic’.

• Type B FIBC bags are best for the transportation of transport dry, flammable powders. They can be transported very safely.
• However, ensure that No flammable solvents or gases present around the bulk bag.
• Type B FIBCs do not have any interwoven materials with conductive properties.
• used in environments with dust with ignition energies.

Type C Bags:

Type C FIBCs are made from non-conductive polypropylene fabrics interwoven with conducting threads, normally sewn in a grid pattern, that connect the bag to ground via a grounding point. The connection to ground or earth during filling and discharging is critical to the safe use of Type C FIBCs. As with any manual operation, ensuring interconnection and grounding of Type C FIBCs is subject to human error.

• Flammable powder substances can be safely transported in these Type C FIBC bags.
• Also, these Type C FIBC bags can be used safely in the presence of gases or solvents which are flammable.
• Don’t use type C FIBC bags When ground connection is not present or has become damaged.

Type D Bags:

These are also known as Dissipative FIBC bags and are generally made from material which is antistatic in nature. It is composed of antistatic and static dissipative yellow threads. These bags do not really require to be grounded.

• Type D FIBC bags are most commonly used for the transportation of flammable powder substances.
• These materials prevent incendiary sparks from taking place.
• They should never be used in cases where the surface is covered in grease or water because these are conductive materials.