5000g Geosynthetic Clay Liner
1.Excellent Waterproofing Performance – High bentonite content ensures superior hydraulic barrier.
2.Strong Shear Strength – Needle-punched reinforcement improves stability and durability.
3.Self-Healing Capability – Bentonite swells upon hydration, automatically sealing small punctures.
4.Easy and Quick Installation – Lightweight and flexible for efficient on-site application.
5.Environmental Friendly – Natural sodium bentonite is safe and non-toxic.
6.Cost-Effective Solution – Reduces the need for thick compacted clay layers.
5000g Geosynthetic Clay Liner
As environmental standards continue to rise globally, effective containment systems have become essential in civil engineering, landfill construction, mining, and environmental protection projects. Among the most reliable solutions for preventing water infiltration and leakage is the Geosynthetic Clay Liner (GCL)—a composite material combining the benefits of geotextiles and natural sodium bentonite clay. Among the various specifications available, the 5000g Geosynthetic Clay Liner produced by Haoyang Environmental Co., Ltd. stands out as a premium, high-performance option.
What is a 5000g Geosynthetic Clay Liner?
A 5000g GCL refers to a geosynthetic clay liner with a total mass of 5000 grams per square meter. It typically consists of a layer of high-quality sodium bentonite clay encapsulated between two layers of geotextiles—usually a non-woven fabric on the top and a woven or non-woven geotextile at the bottom. The layers are needle-punched together to enhance internal shear strength and improve the material's overall integrity.
This product is designed to serve as a hydraulic barrier, providing an alternative to traditional compacted clay liners. Its superior sealing properties, combined with simple installation and long-term durability, make it a preferred choice in modern engineering projects.
Key Advantages of Haoyang’s 5000g GCL
1. Superior Waterproofing Ability
Thanks to the high bentonite content (typically natural sodium bentonite), Haoyang’s 5000g GCL delivers outstanding permeability performance, often achieving permeability coefficients as low as 5 × 10⁻¹¹ m/s. When hydrated, the bentonite swells and forms a gel-like barrier, preventing water and other liquids from passing through.
2. High Shear Strength and Stability
Haoyang utilizes advanced needle-punching technology to bond the geotextile layers with the bentonite core. This reinforcement provides excellent internal shear strength, which is critical for applications with slope stability requirements such as landfill sidewalls and tailing dams.
3. Self-Sealing Capability
One of the most unique characteristics of GCLs is their ability to self-heal. If the liner is punctured or damaged, the bentonite inside will swell upon hydration and fill the voids, sealing minor leaks automatically.
4. Easy and Efficient Installation
Compared to compacted clay liners, Haoyang’s GCLs are lighter and easier to handle. This results in lower transportation and labor costs, as well as faster installation. The 5000g specification offers a balance between performance and manageability.
5. Environmentally Friendly
The product uses natural materials and requires significantly less thickness than traditional clay liners to achieve the same or better impermeability. This means reduced material usage and a smaller environmental footprint.
6. Long-Term Durability
When properly installed and covered, Haoyang’s GCL maintains its sealing performance for decades. The product has been rigorously tested under various environmental conditions, proving its resilience against chemical attack, freeze-thaw cycles, and dry-wet alternation.
Applications of 5000g Geosynthetic Clay Liner
Haoyang’s 5000g GCL is suitable for a wide range of applications, including but not limited to:
Municipal Solid Waste Landfills – As part of the bottom and capping systems to prevent leachate migration.
Mining Projects – For tailings containment and heap leach pads.
Water Reservoirs and Ponds – Providing a watertight layer under artificial lakes, canals, and aquaculture ponds.
Tunnels and Underground Structures – As a waterproofing barrier against groundwater seepage.
Industrial Waste Sites – Containing hazardous substances and preventing soil and groundwater contamination.
Environmental Remediation – Lining contaminated sites to isolate pollutants and aid in site rehabilitation.
Why Choose Haoyang Environmental Co., Ltd.?
Established as a source factory, Haoyang Environmental Co., Ltd. has grown into a leading provider of geosynthetic materials in China and an internationally trusted supplier. With a strong commitment to innovation, quality, and environmental protection, Haoyang offers a full range of GCL products that meet or exceed global standards.
Commitment to Quality
Haoyang strictly uses 100% virgin raw materials, ensuring consistent product performance. Every batch of bentonite is carefully selected for its high swelling index and low permeability, and every roll of GCL undergoes thorough quality control checks before shipment. The company holds ISO9001, ISO14001, and other relevant certifications, attesting to its adherence to international quality and environmental management standards.
Engineering Support and Customization
Haoyang’s technical team is available to provide on-site installation guidance, project-specific design assistance, and customized specifications according to unique project demands. Whether the client needs a higher GSM GCL for extreme chemical resistance or a composite liner with HDPE backing, Haoyang can deliver tailor-made solutions.
Proven Track Record
Haoyang’s GCLs have been widely applied in government infrastructure projects, industrial containment systems, and overseas engineering projects across Asia, Africa, and the Middle East. Clients consistently praise the company’s reliable product quality, fast delivery times, and professional service.
NO. | item | technical standard | results | |
1 | mass per unit area of GCL (g/㎡) | ≥4800 | 5424 | |
2 | mass per unit area of sodium bentonite(g/㎡) | / | 5088 | |
3 | expansion index of sodium bentonite(ml/2g) | ≥24 | 24 | |
4 | tensile strength(N/100mm) | in the longitudinal direction | ≥600 | 1156 |
5 | elongation at maximum load(%) | ≥10 | 17 | |
6 | peel strength(N/100mm) | ≥40 | 86.4 | |
7 | vertical permeability coefficient(m/s) | ≤5.0x10-11 | 4x10-11 | |
8 | filtration loss(ml) | ≤18 | 16.4 | |
9 | thickness(mm) | ≥6 | 8.06 | |
10 | weight per unit area of non-woven fabric(g/㎡) | ≥200 | 204 | |
11 | tensile strength | lateral direction. | ≥10 | 10.9 |
longitudinal direction | ≥10 | 12.8 | ||
12 | elongation at maximum load(%) | lateral direction. | 40-80 | 60 |
longitudinal direction | 40-80 | 56 | ||
13 | weight per unit area of woven fabric(g/㎡) | ≥110 | 114 | |
14 | tensile strength | lateral direction. | ≥15 | 20.6 |
longitudinal direction | ≥20 | 21.5 | ||
15 | elongation at maximum load(%) | lateral direction. | ≤28 | 17 |
longitudinal direction | ≤28 | 21 | ||
The 5000g Geosynthetic Clay Liner from Haoyang Environmental Co., Ltd. represents a powerful combination of technical performance, installation efficiency, and environmental sustainability. Its proven benefits in hydraulic containment and versatility across multiple sectors make it a key material for modern infrastructure and environmental protection projects.
As global demand grows for more efficient and eco-friendly construction materials, Haoyang remains committed to delivering top-quality geosynthetics with integrity, innovation, and a strong service ethic. Whether for landfill engineering, mining containment, or water management, Haoyang’s 5000g GCL is a dependable solution built to perform—and built to last.




