Type A FIBC Bags
Type A FIBC (Flexible Intermediate Bulk Container) is a crucial element in the storage and transportation of bulk materials.
In global bulk logistics, selecting the correct Flexible Intermediate Bulk Container (FIBC) is critical for balancing packaging costs with operational safety. While anti-static big bags (Types B, C, and D) are mandatory for explosive or combustible environments, Type A FIBCs remain the world’s most widely used industrial packaging solution for non-hazardous materials.
Engineered from high-tenacity woven polypropylene, these super sacks deliver reliable load-bearing performance, superior hygiene for food-grade ingredients, and the most cost-effective bulk handling capability available on the market today.
What Is a Type A FIBC & Its Core Advantages?
A FIBC type A is a standard industrial big bag constructed from plain woven polypropylene (PP) or polyethylene (PE) fabric. Type A bags are designed without any electrostatic protection mechanisms, meaning they do not feature conductive threads, grounding points, or specialized breakdown-voltage coatings.
When dry bulk materials slide against the interior walls of a Type A container during rapid filling or emptying, friction generates static electricity on the bag’s surface (triboelectric charging). Because Type A bulk bags have no way to dissipate this static build-up, they are strictly reserved for transporting non-flammable, non-combustible dry bulk goods in environments completely free of flammable gases, vapors, or combustible dust clouds.
- Unmatched Cost Efficiency: Manufactured without costly conductive yarns or complex chemical coatings, Type A containers offer the lowest price point per unit of any FIBC design.
- Food-Grade Hygiene Certified: Manufactured in cleanroom facilities operating under BRCGS, ISO 22000, and FDA standards, Type A bags provide an ultra-clean environment for sensitive foodstuffs.
- Superior Strength-to-Weight Ratio: Engineered using 100% virgin PP resin, these bags support Safe Working Loads (SWL) from 500 kg up to 2,000 kg while adding minimal tare weight to freight shipments.
- Complete Design Customization: Highly adaptable to diverse handling setups, supporting various lifting loop styles, coated fabrics, anti-sift seams, and internal barrier liners.
Technical Specifications Sheet for Standard Type A Bulk Bags
Type A bulk sacks offer a versatile range of structural setups for standard industrial handling as well as ultra-clean food-grade logistics.
| Type of bag | Tubular/Circular/U-panel shape//Rectangular |
| Material | 100% Virgin PP |
| Fabric | Laminated/Plain/Vent/Conductive |
| Size | Customized |
| GSM | 110gsm-230gsm |
| Color | Customized |
| Printing | Customized |
| Top | Full open/Filling spout/Top skirt/Duffle |
| Bottom | Flat/plain/with discharge spout |
| Liner | Liner(HDPE, LDPE) or Customized |
| Lifting loop | Cross-corner loops/4 Point 2 Strap lifting loop/Double Stevedore Strap/with belt/Fully belt loop/Loop in loop |
| SWL | 500-2000KG |
| SF | 5:1/6:1/or as customer’s requirement |
| Treatment | UV treated or not UV treated |
| Surface Dealing | Coated or plain,printing or no printing |
| Processing | Yarn drawing-Circular weaving/Webbing-Quality inspection-Coating-Film
blowing-Cutting-Printing-Sewing-Checkout-Packaging-Transportation |
Applications of Type A Big Bags
Type A bulk bags serve as the workhorse of global bulk packaging for non-hazardous materials. When produced inside certified food-grade cleanrooms, they are heavily used across food processing, agriculture, and construction industries.
Food-Grade Super Sacks: Type A containers are widely used for shipping large bags of sugar (sugar big bags, sugar bulk bags, sugar super sack). Using coated sugar sack fabric equipped with sift-proof seams prevents fine grains of granulated sugar, powdered sugar, or brown sugar from leaking through needle holes or absorbing ambient moisture.
Milk Powder & Dairy Ingredients: Ultra-clean Type A milk powder big bags feature inner EVOH or aluminum barrier liners to protect delicate powders against humidity, oxygen, and external contamination.
Agricultural Crops & Grains: Ideal for bulk storage of non-flammable agricultural goods such as wheat, corn, soybeans, coffee beans, and animal feed pellets.
Minerals & Construction Materials: Commonly specified as builders bags for dry sand, gravel, limestone, cement clinker, and non-combustible raw minerals.
Type A super sacks vs. Type B, C, D FIBCs
Understanding the electrostatic classification defined by IEC 61340-4-4 prevents catastrophic industrial accidents caused by static sparks in volatile zones.
| Feature / Classification | Type A FIBC | Type B FIBC | Type C FIBC (Groundable) | Type D FIBC (Crohmiq) |
| Static Dissipation Mechanism | None | Breakdown voltage < 6 kV | Interwoven conductive threads | Quasi-conductive static-dissipative fibers |
| Grounding Required? | No | No | YES (Mandatory) | No |
| Combustible Dust Hazard | PROHIBITED | Safe for dust with MIE > 3 mJ | Safe for all combustible dusts | Safe for all combustible dusts |
| Flammable Gas/Solvent Vapors | PROHIBITED | PROHIBITED | Safe in solvent environments | Safe in solvent environments |
| Relative Packaging Cost | Most Economical | Low (+10% to 15%) | Moderate (+30% to 45%) | Premium (+50% to 70%) |
FAQ about Type A FIBC
What materials are safely transported in Type A FIBC bulk bags?
Type A bulk bags safely hold non-flammable, non-combustible dry goods. Common examples include raw minerals, sand, gravel, agricultural grains, and food ingredients like granulated sugar, powdered sugar, starch, and milk powder.
Why can’t I use a Type A bulk bag for fine chemical powders?
Fine chemical powders often generate intense static charges through friction when poured at high speeds. Because a Type A bag cannot dissipate static charges, an electrostatic discharge (spark) could ignite nearby flammable solvent vapors or airborne dust clouds, causing an industrial explosion.
Why is a Type A FIBC more cost-effective?
A Type A bag is manufactured from 100% standard virgin woven polypropylene without incorporating expensive conductive carbon threads, silver grid patterns, or complex anti-static chemical treatments. This streamlined production process yields the lowest cost per unit while meeting full ISO 21898 strength standards.
What storage conditions are required for unused Type A bulk bags?
Unused Type A bags should be stored indoors inside a clean, dry warehouse away from direct sunlight, rain, and heat sources. Prolonged exposure to outdoor UV radiation before filling can gradually degrade the tensile strength of the polypropylene fabric and lifting loops.
Conclusion: Streamline Your Bulk Packaging Strategy
Type A FIBCs represent the gold standard for transporting non-hazardous dry bulk products, combining structural strength, food-grade safety, and maximum cost efficiency. By matching your material properties with the correct fabric weights, sift-proof seams, and internal liners, you can protect your inventory while optimizing your overall packaging expenditure.
Partner with EPP Vietnam for certified Type A jumbo bags tailored to your international supply chain needs. Contact our B2B packaging engineers today to request free product samples, custom design specifications, or a competitive quotation!
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