Staple Fiber Needle-Punched Geotextile

Description

Product Description

Made from polypropylene (PP) or polyester (PET) staple fibers through a needle-punched process, the fibers are evenly distributed with a porous structure. It offers excellent filtration, drainage, separation, and protection performance. Widely used in filtration and drainage systems, soft soil reinforcement, and dam slope protection projects.

Main Parameters

Item	Unit	Range
Mass per unit area	g/㎡	100–800
Tensile strength	kN/m	≥3–40
Elongation at break	%	20–100
CBR puncture strength	kN	≥0.6–7.0
Equivalent pore size O90	mm	0.07–0.20
Permeability coefficient k	cm/s	1.0×10⁻¹–10⁻³
Width	m	1.0–6.0
Standard	—	GB/T17638-2017

Product Features

High permeability and excellent filtration performance
Dual functions of separation and protection
Acid and alkali resistant, anti-aging
Lightweight, flexible, and easy to install
Economical and ideal for large-scale applications

Product Functions

Filtration · Drainage · Separation · Protection