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Shri Maa Group (West Bengal, India) is involved in the manufacturing of Ad protex block bottom bags, Bopp laminated bags, Leno/mesh bags and Fibc Bags (Flexible intermediate Bulk Containers). We have been in this business for the last 17 years and counting, and our very experienced staff have been involved with the production and distribution for more than 25 years. We are currently a major player in the domestic market and have been exporting to various countries since 2009. Our team holds immense expertise in offering our range of products as per the industry requirements and continuously upgrading it to stay at par with international quality standard. Our designers, quality controllers, sales personnel and others are well aware of their responsibilities and are instrumental in executing their respective tasks with utmost perfection.

The company is managed under the proficient headship of our Chairmanship of Mr. Sajjan Bansal & Mr. Nitesh Sharma, with the sharp business acumen of our mentors; we are now counted as the leading Manufacturer and Exporter of PP Bags from Eastern India.

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Cement Industry

Grain / Pulses Industry

Wall Putty / Construction Industry

Fertilizer Industry

Chemicals Industry

Animal Feed Industry

Rice / Sugar Industry

Food Product Industry


FIBC stands for Flexible Intermediate Bulk Container. They are more commonly known as Bulk Bags, or sometimes Big Bags. The packages are classified as intermediate containers because of their size; typically having filled weights between about 500 and 2000 Kgs when filled with material. FIBCs were originally developed in Europe in the eighties, but were widely adopted thereafter in the Americas and even other developing industrial nations.

The most common materials used in FIBC construction are Polypropylene, a tough relatively inert thermoplastic, and Polyethylene, typically used for inner liners.Other more exotic materials include Polyamide (Nylon), various metallic foils, carbon infused plastics, steel and silver cored wire fibers, Polyester, and more.

  • Top
  • Inlets and Openings
  • Body
  • Webbing or Lift Loops
  • Bottom
  • Outlets or Discharge Spouts
  • Ties, Clips, and Buckles
  • Other Specialty Parts

There are many common types of FIBCs available in the market. The most commonly used FIBCs are constructed in the U-Panel or Circular and incorporate a simple PE liner or no liner at all.

Much of how Bulk Bags are referred to has to do with their construction, i.e., 4 Panel, U Panel, Circular, or their application, such as Type B, or Baffle Bags.

Below is a list of commonly referred to terms used when describing FIBCs. For FIBC available through Flexpack, please visit the Products section and Key Industry section.

Typically, FIBCs are filled from the top through a inlet spout or open top. Filling operations range from the extremely economical and simple to the hygienic and sophisticated with dust control, bulk densification mechanisms, and fully automatic multi-stage filling cycles. Discharging typically occurs through the bottom of the bag via sized outlet spout, or other style.

Discharging, or emptying processes are much the same as with Filling systems.

The design and flow of your FIBC handling process is extremely important and should be carefully thought out. The best bag in the world will still fail to work efficiently, and may not work at all, if the surrounding process is not well thought out and designed for every specific material and process application. Please consult with our experienced FIBC expert when designing a new process or if you feel you need help in this area. Flexpack designs your FIBC, matching your requirements.

Empty FIBCs are usually stored on the pallets they arrive on and may be covered with a simple polypropylene or polyethylene cover and tied town with plastic banding.

FIBC pallets from Flexpack can be stacked on top of each other, but are best stored on space saving racking systems off of the ground.

Transportation of FIBCs is not as diverse as their designs or applications. Depending on their contents, FIBCs can be transported by most all normal means of industrial transportation including truck (enclosed or sometimes open trailer), rail, ship, or even air.

Most common designs of FIBCs have a very long shelf life of more than five years. However, the common construction materials used in the production of FIBCs do have the potential to stress relaxation over time. This means that the packages may not act as originally designed if stored for very long times or if they are exposed to more harsh storage environments with elevated temperatures, humidity , etc.

There are a number of things that we would recommend you consider when evaluating an FIBC supplier. Below is just a brief list to get you started.

  • Expert resources available throughout the organization from sales associates, account management, design, production, QC, and supply chain management.
  • Cost effectiveness of goods and value added in the form of service & support. In the FIBC world, you get what you pay for, so it helps to understand and prioritize your key technical and financial needs.
  • Reasonable mechanisms in place to mitigate risk of supply interruption.
  • Capability to track production and quality control throughout the life of individual FIBCs or each individual production lot.
  • Adherence to appropriate quality control standards for your application.
  • Other satisfied clients. Feel free to ask your prospective FIBC supplier for references.