Fiber Bundle Filtering Media

Polypropylene and PP bulked filtration fibers: The standard specifies the technical requirements, test methods, and inspection rules for various indicators (length, weight, bulkiness) of the fiber filtering media before and after bulking. Hydrophilic and stain-resistant, with high strength and excellent chemical resistance, a filament diameter of 20-50um, and the bundle length can be customized according to customer requirements.

Scope of application: This standard applies to polypropylene (BCF) with a linear density of 2400-2800 tex.

Referenced standards: Test Method for Shrinkage in Boiling Water of Synthetic Filament and Textured Yarns (GB6505-86), and Polypropylene Bulked Continuous Filament Yarns (Q/DHX 01-95).

Heat crimp elongation: It indicates the degree of elastic crimping of textured yarn after heat treatment under specified conditions, expressed as the percentage of the length under load during deformation relative to the initial length under light load.