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| How FIBC's are Manufactured |
Manufacture of today's modern bulk bag requires that a number of key steps be performed by skilled operators utilizing high speed, computerized process equipment. The precision control of these manufacturing processes are key to the end use customer receiving a quality bulk bag that consistently meets the customers expectation for function and performance.
Superpack bags are manufactured on state of the art process systems operated under strict quality control procedures. All Superpack bags are manufactured in facilities certified by the ISO-9000 standard.
In nine simplified steps, here's how FIBCs are made and tested: |
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Step #1: Polypropylene pellets are extruded into PP fibers. The extrusion process is the first manufacturing step in determining the tensile strength of the fiber |
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Step #2/3: Extruded PP fibers are woven into what will become the body fabric by circular looms. |
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Step #4: Heavier PP fibers are woven into what will become the belting (webbing) material. |
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Step #5: Optional polypropylene coating is applied to the PP fabric for additional protection from moisture and sifting. |
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Step #6: Fabric panels are cut to the length of what will become the bag body and any customer specified printing is applied. |
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Step #7: All components used to manufacture the bag are brought together and assembled by highly skilled operators. |
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Step #8: A representative sample of the assembled bag is tested to insure compliance with stated safe working load and safety factor. |
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Step #9: Bags are bound into bundles and palletized in quantities ranging from 50 to 125 bags per pallet depending on bag construction and customer specification.
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