Filament Geotextile
Product Specifications
- Gram per Square Meter(gsm) g/m²: 100,150,200,300,400,500,600,800
- Break Strength kN/m: 6,9,12,18,24,30,36,48,54
- Standard Width: 1 m to 8 m
- Roll Length: 50 m or Custom lengths available upon request
Liaoning Hengyu New Materials Co., Ltd.
High-Strength Continuous Filament
Polyester (PET) Geotextile
Our continuous filament nonwoven geotextiles offer superior mechanical performance compared to staple fiber alternatives. Manufactured in our Liaoning facility, these fabrics provide exceptional tensile strength and permeability for demanding infrastructure, railway, and hydraulic engineering.
- ✔ 100% Virgin PET chips for maximum durability
- ✔ Enhanced UV resistance & acid-alkali stability
- ✔ Superior CBR puncture resistance for rock protection
- ✔ Standard widths up to 6.3m (Customizable)
* We support large-scale government tenders and international export standards.
Filament Geotextile: Superior Engineering Performance
Filament nonwoven geotextile is a high-performance geosynthetic produced through the spunbond needle-punching process. By using 100% virgin polyester (PET) chips, Liaoning Hengyu New Materials Co Ltd creates a continuous fiber structure that offers significantly higher mechanical strength and aging resistance than standard staple fiber fabrics.
Why Choose Continuous Filament Geotextile?
Unlike short-fiber alternatives, our filament geotextiles are made from endless strands of synthetic polymers. These filaments are laid into a web and mechanically entangled to form a fabric that maintains uniform thickness and high initial modulus. This ensures the material remains stable under heavy structural loads without excessive creep.
As a leading manufacturer in China, our factory ensures every roll of filament fabric meets rigorous ISO and ASTM testing standards. This makes it the preferred choice for international tenders requiring long-term design life (50+ years).
Available in weights from 100gsm to 1000gsm, with width capabilities reaching 6.3 meters to reduce overlap costs during installation.
Critical Infrastructure Applications
- High-Speed Railways: Stabilization and filtration within the ballast and subgrade layers.
- Hydraulic Engineering: Erosion protection for large-scale dams, canals, and river embankments.
- Landfill Systems: Providing heavy-duty protection for HDPE geomembranes against sharp aggregates.
- Coastal Defense: Withstanding wave energy in breakwaters and coastal reclamation projects.
- Mining Operations: Reinforcement of tailings dams and heap leach pad foundations.
- Airport Runways: Distributing stress and preventing reflective cracking in heavy-duty pavements.
Key Technical Advantages of Filament Geotextiles
Our continuous filament nonwoven fabrics are engineered for high-load infrastructure projects, providing superior reinforcement and long-term stability for Liaoning Hengyu's global partners.
Superior Mechanical Strength
The continuous fiber matrix delivers significantly higher tensile strength and CBR puncture resistance than staple fibers, making it ideal for protection layers in high-pressure environments like landfills and dams.
Excellent Creep Resistance
Our filament polyester maintains its physical structure under long-term sustained loading. This low-creep performance ensures the integrity of roadbases and embankment reinforcements over decades.
High In-Plane Drainage
The needle-punched filament structure creates a consistent 3D pore network, providing high permeability and efficient vertical and horizontal water flow to prevent pore-water pressure buildup.
100% Virgin PET Stability
Produced from high-viscosity virgin polyester chips, Liaoning Hengyu filament geotextiles resist alkali, acid, and biological degradation in various soil types and harsh leachate conditions.
Width Optimization
We offer roll widths up to 6.3 meters. This reduces the number of overlaps required on-site, lowering material wastage and significantly accelerating the construction timeline.
Strict Quality Compliance
From 100gsm to 800gsm+, every batch is tested for mass, thickness, and grab strength. We provide Mill Test Certificates (MTC) to meet the documentation needs of international engineering audits.
Filament Geotextile Technical Data
Technical requirements for Polyester Filament Spunbonded Needle-punched Nonwoven Geotextiles. Manufactured by Liaoning Hengyu New Materials Co Ltd in compliance with international engineering standards.
| Technical Properties | 6kN | 12kN | 24kN | 36kN | 54kN |
|---|---|---|---|---|---|
| Tensile Strength (MD/CD) ≥ [kN/m] | 6.0 | 12.0 | 24.0 | 36.0 | 54.0 |
| Elongation at Max. Load [%] | 30 ~ 80 | ||||
| CBR Puncture Resistance ≥ [kN] | 0.9 | 1.9 | 3.9 | 6.4 | 8.5 |
| Tear Strength (MD/CD) ≥ [kN] | 0.15 | 0.29 | 0.57 | 0.83 | 1.25 |
| Dynamic Puncture (Cone Drop) ≤ [mm] | 37.0 | 27.0 | 17.0 | 11.0 | 7.0 |
| Permeability Coefficient [cm/s] | K × (10-1 ~ 10-3) (K = 1.0 ~ 9.9) | ||||
| Apparent Opening Size O90 [mm] | 0.05 ~ 0.30 | ||||
UV Resistance Performance
- Xenon Arc Method: Strength Retention ≥ 70%
- Fluorescent UV Method: Strength Retention ≥ 80%
Note 2: Liaoning Hengyu can customize roll width, thickness, and mechanical properties based on specific tender requirements.
Advanced Filament Production & Quality Control
Liaoning Hengyu New Materials Co Ltd operates state-of-the-art continuous filament spunbonded lines. By controlling the process from polymer melt to finished roll, we guarantee superior mechanical integrity for global infrastructure.
The Spunbonded Process
- Polymer Extrusion: High-viscosity 100% virgin PET chips are melted and extruded into continuous filaments.
- Air Attenuation: Filaments are stretched by high-pressure air to reach optimum molecular orientation and strength.
- Web Formation: Endless strands are laid randomly onto a moving belt to form a uniform, multi-directional web.
- Needle Punching: Thousands of high-speed needles mechanically entangle the filaments into a robust, high-modulus fabric.
- Precision Finishing: Automatic trimming and heavy-duty UV-stabilized packaging ensure the product reaches the site in perfect condition.
Rigorous Quality Assurance
Our laboratory performs internal audits on every batch according to the technical requirements for filament nonwovens:
- Tensile & Elongation:
Logistics & Technical Installation
Industrial Packing & Export
- Standard Width: Up to 6.3 m (optimized to minimize site overlaps).
- Custom Lengths: Roll lengths tailored to project specifications or container limits.
- Heavy-Duty Protection: Dual-layer wrapping with UV-stabilized woven geotextile to prevent onsite degradation.
- Traceability: Each roll features a unique ID, batch number, and verified mass per unit area.
- Freight Optimization: Expert loading for 40' HQ containers from our Liaoning facility to ensure maximum cost-efficiency.
Liaoning Hengyu New Materials Co Ltd coordinates global door-to-port logistics with all necessary Mill Test Certificates (MTC).
Filament Installation Best Practices
- Surface Prep: Ensure the subgrade is compacted and clear of sharp debris to utilize the fabric's full CBR puncture resistance.
- Deployment: Unroll manually or with mechanical spreaders, maintaining slight tension to prevent fold-induced stress.
- Overlap Standards: Typically 300mm to 500mm depending on soil stability and engineering design.
- Securement: Use U-shaped pins or sandbags to prevent wind-uplift during construction.
- Prompt Backfilling: Cover with aggregate or geomembrane as soon as possible to maximize the design life.
More Geosynthetics from Liaoning Hengyu
Combine short fiber geotextile with our geomembrane, composite materials and other geosynthetics for integrated solutions.
Request Factory Price & Technical Support
Partner with Liaoning Hengyu New Materials Co Ltd for your next infrastructure project. Consult our engineers for the optimized filament geotextile specification and get a competitive wholesale quote.
⚡ Typical response time: Within 12 hours with customized loading solutions.
To provide an accurate quote, please include:
- ● Required Nominal Strength (e.g., 6kN to 54kN)
- ● Total Quantity (m²) & Roll Width (max 6.3m)
- ● Project Type (Railway, Landfill, or Dam)
- ● Destination Port for Freight Estimation
- ● Specific Testing Standards (ASTM, ISO, or GB)
Filament Geotextile – Frequently Asked Questions
Q1: What is the main advantage of Filament vs. Short Fiber geotextiles?
Filament geotextiles are made from continuous strands of 100% virgin polyester. They offer significantly higher tensile strength, CBR puncture resistance, and better creep resistance. This makes them the preferred choice for high-speed railways, large dams, and projects requiring a design life of over 50 years.
Q2: Can Liaoning Hengyu meet specific international tender standards?
Absolutely. We produce according to ASTM, ISO, and EN standards. Our filament products specifically meet the high mechanical requirements for "Nominal Strength" grades (6kN to 54kN+). Please send your project's technical data sheet, and we will provide a Mill Test Certificate (MTC) to match your requirements.
Q3: How does the material perform in harsh chemical environments?
Our filament polyester is highly stable against acids and alkalis commonly found in soils. With a UV strength retention rate of 70–80%, it maintains structural integrity even when temporarily exposed during construction. It is non-biodegradable and resistant to biological attack from bacteria and fungi.
Q4: Do you offer free samples and what is the typical lead time?
Yes, we provide A4-sized samples free of charge for quality verification. For standard specifications, our factory lead time is usually 7–14 days. We also support customized roll widths (up to 6.3m) and lengths to optimize your container loading and site logistics.
Liaoning Hengyu New Materials Co., Ltd.
20-2, Zhenxing 10th Street, Hutai New Town, Xinmin City, Shenyang, Liaoning Province, China
info@hengyugeo.com
+8618509886566(whatsapp)
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