Product Overview
Our Long-Filament Geotextile is a premium-grade, nonwoven fabric engineered specifically for the demanding conditions of mining landfills, tailings storage, and waste containment systems. Made from high-tenacity polyester or polypropylene filaments, this geotextile delivers exceptional filtration, separation, and reinforcement properties, ensuring long-term stability and environmental protection in harsh mining environments.
Key Features
-
Superior Filtration & Drainage
-
Optimal pore structure allows efficient water flow while retaining fine particles, preventing clogging in leachate collection systems.
-
High permeability (>1000 L/m²/s) ensures rapid drainage, reducing hydrostatic pressure on landfill liners. Tensile Strength & Puncture Resistance
-
Reinforced with continuous long filaments for ultimate tensile strength (≥1000 N/m) to withstand heavy loads, sharp rock debris, and mechanical stress during waste compaction.
-
Resists abrasion and puncture (≥2500 N CBR puncture resistance) for durability in aggressive mining applications.
-
Chemical & UV Resistance
-
Inert to acids, alkalis, and heavy metals commonly found in mining waste (e.g., sulfides, cyanide).
-
UV-stabilized for extended outdoor exposure during installation and service life.
-
Soil Stabilization & Separation
-
Prevents intermixing of waste materials and subsoil, maintaining structural integrity of landfill layers.
-
Enhances slope stability by distributing loads evenly across weak or uneven terrain.
-
Eco-Friendly & Cost-Efficient
Technical Specifications
-
Material: UV-stabilized Polyester (PET) or Polypropylene (PP)
-
Weight: 300–1500 g/m² (customizable)
-
Tensile Strength: ≥1000 N/m (MD & TD, ASTM D4632)
-
CBR Puncture Resistance: ≥2500 N (ASTM D6241)
-
Permittivity: ≥0.5 s⁻¹ (ASTM D4491)
-
Thickness: 3–10 mm (under 2 kPa)
-
Width: Up to 6m (standard rolls, spliced on request)
-
Certifications: ASTM D4759, GRI GT13, ISO 9001, CE
Product Specification
* Grams/㎡: 100g~800g/㎡ (100g/120g/150g/200g/250g/300g/350g/400g/500g/600g/700g/800g) Depends on project
* Width:2m~6m
* Roll length:50m~100m
PS: Customized request accept for all above.
Product Specification and Technical Index
(According to the latest released national standard GB/T 17638—2017)
| Item |
Nominal Breaking Strength(KN/m) |
| 3 |
5 |
8 |
10 |
15 |
20 |
25 |
30 |
40 |
| 1 |
Breaking Strength (KN/m,≥,LD/TD) |
3.0 |
5.0 |
8.0 |
10.0 |
15.0 |
20.0 |
25.0 |
30.0 |
40.0 |
| 2 |
Elongation Rate (%,≥,LD/TD) |
20~100 |
| 3 |
Bursting Strength(KN)≥ |
0.6 |
1.0 |
1.4 |
1.8 |
2.5 |
3.2 |
4.0 |
5.5 |
7.0 |
| 4 |
Mass Deviation Rate Per Unit Area(%) |
±5 |
| 5 |
Width Variation ( ％) |
-0.5 |
| 6 |
Thickness Deviation Rate(%) |
±10 |
| 7 |
Sieve Size O90,O95 (mm) |
0.07~0.20 |
| 8 |
Vertical Permeability Coefficient (cm/s) |
Kx(10ˉ1-10ˉ3) K=1.0-9.9 |
| 9 |
Tearing Strength (KN,≥,MD/CD) |
0.10 |
0.15 |
0.20 |
0.25 |
0.40 |
0.50 |
0.65 |
0.80 |
1.00 |
| 10 |
Acid And Alkali Resistance (Strength Retention Rate)/%≥ |
80 |
| 11 |
Antioxidant Performance (Strength Retention Rate)/%≥ |
80 |
| 12 |
UV Resistance(Strength Retention Rate)/%≥ |
80 |
(GB/T17638-1998)
| Specification |
F100 |
F150 |
F200 |
F250 |
F300 |
F350 |
F400 |
F450 |
F500 |
F600 |
800 |
Remark |
| Item |
100 |
150 |
200 |
250 |
300 |
350 |
400 |
450 |
500 |
600 |
800 |
| Weight Variation (%) |
-8 |
-8 |
-8 |
-8 |
-7 |
-7 |
-7 |
-7 |
-6 |
-6 |
-6 |
- |
| Thickness (mm≥) |
0.90 |
1.20 |
1.70 |
2.10 |
2.40 |
2.70 |
3.00 |
3.20 |
3.60 |
4.10 |
5.00 |
|
| Width Variation ( ％) |
-0.50 |
| Breaking Strength (KN/m,≥,LD/TD) |
2.50 |
4.50 |
6.50 |
8.00 |
9.50 |
11.00 |
12.50 |
14.00 |
16.00 |
19.00 |
25.00 |
|
| Elongation Rate (%,≥,LD/TD) |
25-100 |
| CBR Burst Strength ( KN≥) |
0.30 |
0.60 |
0.90 |
1.20 |
1.50 |
1.80 |
2.10 |
2.40 |
2.70 |
3.20 |
4.00 |
|
| Sieve Size O90,O95 (mm) |
0.07-0.2 |
|
| Vertical Permeability Coefficient (cm/s) |
Kx(10ˉ1-10ˉ3) |
K=1.0-9.9 |
| Tearing Strength (KN,≥,MD/CD) |
0.08 |
0.12 |
0.16 |
0.20 |
0.24 |
0.28 |
0.33 |
0.38 |
0.42 |
0.46 |
0.60 |
|
1) Specifications according to the mass per unit area, the actual specification between adjacent specifications in the table,
according to the interpolation method to calculate the corresponding assessment index, if beyond the scope in the table,
shall be determined between supplier and the demander.
2) Unit Weight standards according to the design or agreement.
3) Width as reference indexes for internal control of production, the appraisal based on the actual design value if user raised
requests. |
Applications
-
Mining Landfills: Base and cap layers for tailings ponds, waste rock dumps, and heap leach pads.
-
Filtration Layers: Integrated with HDPE geomembranes in leachate collection systems.
-
Erosion Control: Slope protection for mining infrastructure in heavy rainfall regions.
-
Roadway Reinforcement: Stabilization of access roads over soft waste deposits.
-
Hydraulic Barriers: Secondary protection for geomembranes against puncture and abrasion.
Why Choose Our Long-Filament Geotextile?
✅ Mining-Optimized Design: Engineered for extreme loads, chemical exposure, and dynamic mining operations.
✅ Longevity: Maintains performance for 25+ years under harsh UV and chemical conditions.
✅ Custom Solutions: Available in needle-punched or heat-bonded finishes for specific friction or filtration needs.
✅ Global Compliance: Meets MSHA, EPA, and international mining waste management regulations.
Installation Guidelines
-
Subgrade Preparation: Remove sharp debris and level the surface to avoid geotextile damage.
-
Roll Deployment: Unroll geotextile with 300–500 mm overlaps; secure with staples or stitching.
-
Seam Integration: Overlap edges by 0.5–1.0m and stitch/seal for critical load-bearing zones.
-
Protection Layer: Cover with drainage gravel or soil immediately to prevent UV degradation.
Request a Sample or Quote
Enhance the safety and efficiency of your mining landfill project with our certified long-filament geotextiles. Contact us for technical specifications, site-specific engineering support, or bulk pricing!
|
|
Nonwoven Long-Filament Geotextile for Mining Landfill Applications Images
|
