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The main products are: container bags, paper-plastic composite bags, valve bag, woven bags, etc. The products are widely used in chemical, construction, new materials, food, agriculture and animal husbandry and other industries.
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Complete FIBC Bag Buying Guide
A complete beginner-friendly FIBC bag purchasing guide for first-time buyers. It explains the definition, core structures, key selection parameters, applicable materials and industry certifications of flexible intermediate bulk containers. Covers bag size, SWL, static protection class, filling & discharging methods, ISO/BRC/UN certifications, helping purchasers select safe, compliant and cost-effective industrial bulk bags.
May 28,2026
We frequently receive inquiries from first-time buyers who are assigned to purchase FIBC bags for their companies. It is completely normal to be unfamiliar with FIBC products, as they are specialized industrial packaging supplies and not common consumer goods that most people encounter in daily work.
We are always ready to assist new purchasers with FIBC bag selection. Mastering the basic knowledge of flexible intermediate bulk containers helps you make optimal purchasing decisions that maximize operational efficiency and safety while minimizing procurement costs. For special industrial scenarios involving hazardous materials, food ingredients and chemical products, a compliant and high-quality FIBC bag is even critical to operational safety and personnel protection.
1. What is an FIBC Bag?
FIBC stands for Flexible Intermediate Bulk Container, commonly known as bulk bag or ton bag. Manufactured from high-strength woven polypropylene fabric, FIBC bags feature excellent toughness, stable load-bearing capacity and recyclability. They are widely used across various industries for packaging, handling, transporting and storing thousands of types of bulk industrial materials.
FIBC bags are fully customizable in length, width, height and load capacity to fit diverse storage and transportation needs. The key to professional procurement lies in matching the bag’s structural parameters and certification standards with your specific application scenarios to avoid unnecessary costs and potential safety risks caused by improper selection.
2. Core Structures & Key Purchasing Parameters of FIBC Bags
The following covers the essential parameters for FIBC purchasing decisions (covering most conventional application scenarios). Reliable professional suppliers provide both standard in-stock products and customized solutions.
Bag Dimensions: Customizable length, width and height to maximize the utilization of warehouse and transportation space based on actual usage conditions.
SWL (Safe Working Load): Indicates the maximum safe weight the bag can bear (pounds/kilograms), the core parameter for operational safety.
Bag Styles: Main types include circular, U-panel, four-panel and baffle bags, designed for different material filling and shaping requirements.
Lifting Loops: Customizable quantity, length, width and installation positions to adapt to forklift and crane lifting operations.
Filling Types: Spout top, sleeve top and open top, suitable for filling granular, powdery and block materials.
Discharging Types: Spout discharge, full bottom discharge and non-discharge structure (fixed storage bags) for automatic discharging, manual discharging and long-term storage scenarios.
Discharge Cover Types: Star cover, iris cover, full flap cover and coverless design, balancing tightness and operational convenience.
Static Types: Class A, B, C and D static protection levels for ordinary and flammable & explosive materials respectively.
Coating: Waterproof coating effectively prevents moisture and dust penetration to avoid material dampness and contamination.
Sieving & Inspection Process: Special process for ultra-fine powder materials to prevent powder leakage and dust emission, ensuring clean operation.
Applicable Materials: Chemicals, fertilizers, food ingredients, pharmaceutical raw materials, grains, plastic particles, minerals, seed waste and various industrial auxiliary materials.
Certifications: Standard products are equipped with ISO quality management system certification. Food and pharmaceutical grade certifications are required for related sensitive materials. UN certification is mandatory for hazardous material transportation. BRC certification is the highest-level industry certification for high-standard food, daily chemical and pharmaceutical applications.
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