840D Hollow Polypropylene Fiber

Robust Hollow Fiber for Heavy‑Duty Filtration840D Hollow Polypropylene Fiber is a high‑performance hollow fiber engineered for demanding filtration and separation applications including deep bed filters, industrial coalescers, sediment removal, and wastewater treatment. With a denier of 840 and a tensile strength of 5.0‑5.5 g/denier, it offers exceptional mechanical durability, high dirt‑holding capacity, and efficient backwashability. The hollow core provides a large specific surface area while maintaining low pressure drop and high flow rates. Manufacturing ProcessThe fiber is produced using advanced Synthetic Fiber Manufacturing techniques, including melt spinning through a specialized spinneret that creates a continuous hollow channel. For filter bag assembly, the fiber can be twisted into Polypropylene Sewing Thread to seam filter components. When woven into a fabric, it shares chemical resistance with PP Strapping and Woven Tape, though the hollow geometry is unique to filtration…

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