Blog
Useful articles about big bags, polypropylene bags, and flexible packaging from the manufacturer
What is a big bag: complete guide to FIBC flexible containers
A plain-language guide: what a big bag is, what it consists of, the main types (2- and 4-loop, with valve and liner) and sizes for 500–3000 kg. From a Ukrainian manufacturer, with tables and photos.
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Big Bag Sizes: Full Characteristics Table
Full table of big bag sizes by load capacity: dimensions, volume in m³, tare weight. How to calculate the required size by material bulk density.
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ISO 21898: All About Big Bag Certification
ISO 21898 standard for FIBCs in simple terms: safety factor 5:1 and 6:1, types of tests, labeling. Explained.
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How to properly store grain in big bags
Grain storage in big bags: acceptable moisture, terms for wheat, corn, sunflower. Liner selection. Common mistakes.
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What determines the price of a big bag: 8 factors
A big bag's price is set by 8 parameters — from size and loops to the liner, SF 6:1, printing and batch size. How much each one changes the cost is in the table.
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Polypropylene Bags: Types and Specifications
PP bags: standard, laminated, with liner, with logo. Sizes 5–50 kg, fabric density, comparison with paper and jute bags.
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Container Liner or Big Bags: Which Is Cheaper for Shipping Bulk Cargo by Container or Railcar
A liner takes up to 24 t of bulk cargo in a 20-ft container, ~1000 kg big bags only 10–12 t in one tier. We compare loading, packaging cost and unloading.
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Big Bag or Sack: What to Choose for Your Cargo
Which is cheaper — one 1000 kg big bag or twenty 50 kg sacks? We compare cost per ton, packaging weight, loading speed and warehouse requirements. Comparison table + a 5-criteria selection algorithm.
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How to choose a big bag: what to look for
A big bag is chosen by cargo weight and density, lifting method, number of trips, filling and discharge, and moisture protection. A 6-question checklist before ordering.
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How Much Does a Big Bag Weigh: Empty and Filled
An empty big bag weighs 1.5–7 kg depending on size. Filled — from 260 kg with sawdust to 1000+ kg with sand. Weight tables for 14 cargo types, a calculation formula and SWL rules from the manufacturer.
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How Many Big Bags Fit in a Truck, Railcar or 20/40 ft Container
A standard curtainsider truck holds 22–30 big bags (22 t payload limit), a 20-ft container — 10–12, a 40-ft — 24–26, a boxcar — up to 66. Tables by bag size, a simple formula and stacking rules from the manufacturer.
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How Many Big Bags Do You Need for 10, 20 or 100 Tonnes: Calculator and Tables
20 t of wheat needs 26 big bags 90×90×130 cm, 20 t of sand — 20, 20 t of pellets — 30. Online calculator for 45 cargo types and 8 bag sizes, tables for 10/20/50/100 t and the formula from the manufacturer.
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Safe Big Bag Handling: Filling, Lifting, Stacking and Discharging
Lift a big bag by all loops at once, fill it only up to the SWL on the label, stack only 4-loop SF 6:1 bags. Rules for every stage plus a checklist.
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