The creation of high-strength woven fabric begins with melting pure polypropylene granules alongside color masterbatches and performance additives inside an extruder. The molten plastic is pushed through a flat die to form a thin film, which is cooled rapidly and slit into narrow ribbons or tapes. These ribbons undergo hot-air stretching to align the polymer chains molecularly, dramatically multiplying their tensile strength. Next, high-speed circular or flat looms weave these continuous tapes together, producing seamless tubular or flat fabric. Implementing precise heat settings during extrusion and weaving ensures that PP Woven Bags achieve exceptional load capacity.
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