Textured HDPE Geomembrane
Product Specifications
- Thickness: 0.75mm,1.0mm,1.25mm,1.5mm,2.0mm,2.5mm,3.0mm
- Density : 0.94g/cm³
- Standard Width: 1 m to 8 m
- Roll Length: 50m-100m or Custom lengths available upon request
Liaoning Hengyu New Materials Co., Ltd.
Spray-Textured
HDPE/LLDPE Geomembrane
Our textured geomembranes are manufactured using the advanced nitrogen-spraying process, creating a high-friction surface for superior slope stability. Engineered in our Liaoning facility, these liners provide exceptional interface shear strength and chemical resistance for critical landfill, mining, and steep-slope containment projects.
- ✔ High Asperity Height (>0.4mm/0.5mm) for steep slope safety
- ✔ Consistent spray-on texture for uniform friction coefficient
- ✔ 100% Virgin HDPE resins for superior chemical & UV resistance
- ✔ Compliant with GRI-GM13/GM17 international standards
* Optimized for Landfills, Tailings Dams, and Leach Pads. Available in Single/Double Sided.
Spray-Textured Geomembrane: Engineered for Steep Slopes
Spray-textured HDPE/LLDPE geomembrane is a premium lining solution produced through an advanced nitrogen-spraying process. By fusing molten polyethylene particles onto the base liner, Liaoning Hengyu New Materials Co Ltd creates a high-friction surface that significantly enhances interface shear strength, ensuring the safety and stability of steep-slope containment systems.
Advantages of the Spray-Roughing Process
Unlike co-extrusion texturing, our spray-textured method provides a more aggressive and uniform "asperity" (roughness). This process allows us to control the Asperity Height precisely, typically exceeding 0.4mm or 0.5mm, which is critical for preventing sliding between the geomembrane and soil or geotextiles on steep inclines.
Manufactured in our Liaoning facility using 100% virgin resins, our textured liners meet or exceed GRI-GM13 (HDPE) and GRI-GM17 (LLDPE) international standards. This ensures maximum chemical resistance and long-term durability in hazardous environments.
Available in thicknesses from 1.0mm to 3.0mm, with options for single-sided or double-sided texturing to fit your specific engineering design.
Critical High-Slope Applications
- Municipal Landfills: Lining and capping for steep side-slopes to prevent cover soil sliding.
- Mining Leach Pads: Providing friction and containment for massive ore heaps on varied terrain.
- Tailings Storage Facilities (TSF): Ensuring stability for dam embankments and waste impoundments.
- Hazardous Waste Containment: Dual-action protection with high friction and extreme chemical resistance.
- Water Conservation: Lining for reservoirs and canals where slope stability is a primary concern.
- Oil & Gas Secondary Containment: Preventing leaks while ensuring a safe, slip-resistant working surface.
Technical Advantages of Spray-Textured Geomembrane
Our spray-textured HDPE liners are engineered for high-risk containment and steep-slope stability, offering unmatched interface friction for Liaoning Hengyu's global engineering projects.
Superior Interface Friction
The nitrogen-sprayed texture creates an aggressive surface that dramatically increases the friction angle between the liner and soil or geotextiles. This ensures maximum stability on steep embankments and side slopes.
Controlled Asperity Height
Our spray-roughing process ensures a consistent asperity height (typically >0.40mm/0.50mm), providing predictable and reliable shear strength performance across the entire surface of the geomembrane.
Optimized Slope Stability
Specifically designed for landfills and tailings dams, the textured surface prevents cover soil sliding and veneer failure, allowing for steeper slope designs and increased containment volume.
Extreme Chemical Resistance
Manufactured from high-grade virgin HDPE/LLDPE resins, our textured liners are resistant to harsh leachates, UV radiation, and environmental stress cracking (ESCR), ensuring a long design life in mining and waste sites.
Custom Texture Options
We support single-sided textured, double-sided textured, or smooth-edge textured options. This flexibility allows engineers to tailor the friction properties of the upper and lower surfaces independently.
Global Quality Standards
Liaoning Hengyu products strictly comply with GRI-GM13 and GRI-GM17 international standards. We provide full laboratory testing reports for every batch to support government tenders and private audits.
Textured Geomembrane Technical Data
Technical requirements for GH-2T1 & GH-2T2 Textured HDPE Geomembranes. High-friction containment liners manufactured by Liaoning Hengyu New Materials Co Ltd for slope stability.
| Technical Properties | 1.00mm | 1.50mm | 2.00mm | 2.50mm | 3.00mm |
|---|---|---|---|---|---|
| Asperity Height (Mean) [mm] ≥ | 0.25 (Min. Individual: 0.20) | ||||
| Tensile Yield Strength [N/mm] ≥ | 15 | 22 | 29 | 37 | 44 |
| Tensile Break Strength [N/mm] ≥ | 15 | 24 | 32 | 39 | 48 |
| Puncture Resistance [N] ≥ | 270 | 400 | 535 | 670 | 800 |
| Tear Resistance [N] ≥ | 125 | 190 | 250 | 315 | 375 |
| Tensile Strain at Break [%] ≥ | 200 | ||||
| Carbon Black Content [%] | 2.0 ~ 2.8 | ||||
Durability & Aging Resistance
- Standard OIT: ≥ 100 min
- High Pressure OIT: ≥ 400 min
- Oven Aging (90d): Retained OIT ≥ 55%
- UV Resistance (1600h): Retained OIT ≥ 50%
Customization: Liaoning Hengyu can provide single-sided or double-sided texturing with asperity heights customized up to 0.5mm+ for special engineering needs.
Advanced Spray-Texturing & Quality Control
Liaoning Hengyu New Materials Co Ltd utilizes the industry-leading nitrogen-sprayed texturing technology. By precisely fusing molten polyethylene particles onto high-quality base liners, we ensure maximum friction performance for critical containment.
The Spray-Roughing Process
- Base Sheet Extrusion: 100% virgin HDPE resins are extruded into a high-density smooth base liner using a three-layer co-extrusion process.
- Nitrogen Atomization: Specialized nozzles use high-pressure nitrogen to atomize molten polyethylene into uniform droplets.
- Texturing Fusion: The droplets are sprayed onto the base sheet while it is still at an optimized temperature, creating a permanent thermal bond.
- Controlled Roughing: Asperity height is monitored in real-time to ensure it meets project-specific friction requirements (>0.5mm).
- Annealing & Winding: The textured liner is cooled gradually to relieve internal stress, then edge-trimmed and rolled for shipment.
Rigorous Quality Assurance
Our laboratory audits every batch to ensure full compliance with GRI-GM13 (HDPE) or GRI-GM17 (LLDPE) standards:
- Asperity Height: Testing ten points per width to ensure uniform roughness (min 0.40/0.50mm).
- Tensile Properties: Verifying break strength and elongation to handle high stress on steep slopes.
- Carbon Black Content: Ensuring 2-3% distribution for maximum UV protection and longevity.
- Puncture Resistance: Testing for multi-axial tension and high-pressure resistance.
- Interface Shear Strength: (Optional) Direct shear testing to verify friction angles with specific site soils.
Logistics & Technical Installation
Industrial Packing & Export
- Optimized Width: Available up to 8.0 meters to minimize critical field heat-welding seams.
- Heavy-Duty Cores: Wound on reinforced steel or plastic cores to prevent collapsing during ocean freight.
- Protective Wrapping: Every roll is encased in UV-resistant woven bags to protect the spray-textured spikes.
- QC Identification: Individual roll numbers linked to MTC data, including thickness and asperity height.
- Container Loading: Expertly planned loading from our Liaoning base for 40' HQ containers to maximize volume efficiency.
Liaoning Hengyu New Materials Co Ltd provides all export documentation including CO, Form E, and detailed testing reports.
Textured Liner Installation Guide
- Subgrade Preparation: Surface must be smooth and free of sharp protrusions to protect the liner's integrity.
- Correct Orientation: Ensure the textured side (or sides) faces the engineered interface for maximum friction.
- Seam Welding: Use dual-track hot wedge welding for primary seams and extrusion welding for patches/details.
- Anchor Trench: Secure the liner in a standard 2'x2' (or design-specified) trench at the top of the slope.
- Thermal Management: Account for thermal expansion/contraction; deploy the liner loosely to avoid "trampolining."
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 steep-slope containment project. Consult our engineers for the optimized spray-textured geomembrane specifications and receive a competitive wholesale quote.
⚡ Typical response time: Within 12 hours with optimized container loading plans.
To provide an accurate quote, please include:
- ● Required Thickness (e.g., 1.0mm to 3.0mm)
- ● Texture Type (Single-Sided / Double-Sided)
- ● Total Quantity (m²) & Roll Width (max 8.0m)
- ● Project Type (Landfill Slopes, Tailings, or Mining)
- ● Specific Standards (GRI-GM13, ASTM, or ISO)
- ● Destination Port for Freight Estimation
Textured Geomembrane – Frequently Asked Questions
Q1: What is the advantage of Spray-Textured vs. Co-extruded geomembrane?
The spray-textured process (nitrogen spraying) creates more aggressive and distinct "peaks" (asperities) on the liner surface compared to co-extrusion. This results in a higher interface friction angle, making it superior for very steep slopes where the risk of cover soil or geotextile sliding is a primary concern.
Q2: How do you ensure the texture meets international standards?
Our products are manufactured in strict accordance with GRI-GM13 (for HDPE) and GRI-GM17 (for LLDPE). We perform rigorous Asperity Height testing (ASTM D7466) on every batch, ensuring the roughness typically meets or exceeds 0.40mm to 0.50mm as required by global engineering specifications.
Q3: Does the texturing process affect the chemical resistance of the liner?
No. By using 100% virgin PE resins and specialized nitrogen-spraying, the texture becomes an integral part of the sheet without compromising the core's impermeability or chemical resistance. It remains highly resistant to hazardous leachates, acids, and alkalis found in mining and landfill applications.
Q4: Can I order single-sided textured rolls with custom widths?
Yes. Liaoning Hengyu offers Single-Sided, Double-Sided, and Smooth-Edge (to facilitate welding) options. We support large roll widths up to 8.0m, which significantly reduces the number of on-site seams. Standard lead time is 7–14 days, and free samples are available for friction testing.