Permeable nonwoven structure
The needle-punched structure allows water or gas to pass through the material for filtration and drainage applications.
Polypropylene Short-Fiber Needle-Punched Nonwoven Geotextile
Polypropylene nonwoven geotextile for reinforcement, filtration, drainage and protection in transportation and ground-engineering applications.
This polypropylene short-fiber needle-punched nonwoven geotextile is designed for road subgrades, drainage systems, tunnels, slope protection and selected railway applications.
Product Overview
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Polypropylene short-fiber needle-punched nonwoven geotextile is a permeable geosynthetic material manufactured from PP fibers. It is used in transportation and ground-engineering systems where reinforcement, filtration, drainage or protection functions are required.
Typical uses include road-subgrade reinforcement, subgrade drainage, tunnel waterproofing and drainage protection, slope-protection works and anti-slip layers in selected ballastless-track applications. In drainage applications, the permeable structure allows water or gas to pass while helping retain surrounding soil particles.
Product facts
- Material
- PP (polypropylene)
- Structure
- Short-fiber needle-punched nonwoven
- Mass per unit area
- 80–1500 g/m²
- Width
- 2–8 m
- Length
- According to customer requirements
- Primary functions
- Reinforcement, filtration, drainage and protection
- Primary technical standard
- JT/T 992.1-2015
Key Features
Subgrade reinforcement
Used in road-subgrade systems to support soil stabilization and help limit differential deformation.
Filtration and drainage
Provides a permeable interface that supports drainage while helping retain surrounding soil particles.
Tunnel protection and drainage
Used in tunnel waterproofing and drainage works to help protect the waterproofing membrane during construction and service while also providing a drainage function.
Mechanical performance
Thickness, breaking strength, CBR puncture strength and trapezoidal tearing strength requirements are defined according to the selected specification.
Technical Specifications
Primary technical standard
JT/T 992.1-2015
Technical data source
Polypropylene Short-Fiber Needle-Punched Nonwoven Geotextile Technical Table
Technical data reference: customer-provided product technical table.
| Property | Mass per unit area — g/m² | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 110 | 130 | 150 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 1000 | 1200 | |
| Mass per unit area deviation — % | ±5 | ±5 | ±5 | ±5 | ±5 | ±5 | ±5 | ±5 | ±5 | ±6 | ±6 | ±6 |
| Thickness — mm | ≥ 1.0 | ≥ 1.2 | ≥ 1.5 | ≥ 1.8 | ≥ 2.4 | ≥ 2.8 | ≥ 3.2 | ≥ 3.6 | ≥ 4.0 | ≥ 4.4 | ≥ 5.2 | ≥ 6.0 |
| Property | Mass per unit area — g/m² | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 110 | 130 | 150 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 1000 | 1200 | |
| Breaking strength, MD/CD — kN/m | ≥ 7 | ≥ 9 | ≥ 10 | ≥ 13 | ≥ 20 | ≥ 26 | ≥ 32 | ≥ 40 | ≥ 48 | ≥ 52 | ≥ 60 | ≥ 70 |
| Elongation at break, MD/CD — % | 40–80 | 40–80 | 40–80 | 40–80 | 40–80 | 40–80 | 40–80 | 40–80 | 40–80 | 40–80 | 40–80 | 40–80 |
| CBR puncture strength — kN | ≥ 1.5 | ≥ 1.8 | ≥ 2.0 | ≥ 2.5 | ≥ 3.8 | ≥ 4.5 | ≥ 5.8 | ≥ 7.0 | ≥ 8.5 | ≥ 9.0 | ≥ 11.5 | ≥ 14 |
| Trapezoidal tearing strength, MD/CD — N | ≥ 160 | ≥ 180 | ≥ 220 | ≥ 300 | ≥ 400 | ≥ 500 | ≥ 600 | ≥ 700 | ≥ 850 | ≥ 1000 | ≥ 1200 | ≥ 1400 |
| Property | Unit | Requirement |
|---|---|---|
| Effective opening size O90 | mm | 0.08–0.20 |
Technical Notes
- Where the actual mass per unit area falls between two adjacent specifications listed in the table, the corresponding assessment indicators are calculated by linear interpolation.
- For specifications outside the range listed in the table, the applicable assessment requirements are agreed between supplier and customer.
Discuss your product requirements
Send us your application, required specification, quantity and delivery destination for product review and quotation.
Useful information to provide
- Application
- Required mass per unit area
- Required breaking strength
- Required width
- Quantity
- Project location
- Delivery destination
- Applicable standard or project specification