Changsha Jian-Yi New Material Co., Ltd.
| Payment Terms | T/T |
| Supply Ability | 1200T/Month |
| Delivery Time | 7-15Days |
| Packaging Details | Plastic sealing and wrapping tape |
| Application | Landfill, Mining（Various heavy metals） |
| Chemical Resistance | Acid and alkali resistant |
| Material | High Density Polyethylene (HDPE) |
| Color | Black, Green, Custom |
| Installation Method | Hot Wedge Welding |
| Surface | Smooth |
| Brand Name | HDPE Smooth Geomembrane |
| Model Number | 0.3-3.0mm |
| Certification | ISO19001&CE |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T | Supply Ability | 1200T/Month |
| Delivery Time | 7-15Days | Packaging Details | Plastic sealing and wrapping tape |
| Application | Landfill, Mining（Various heavy metals） | Chemical Resistance | Acid and alkali resistant |
| Material | High Density Polyethylene (HDPE) | Color | Black, Green, Custom |
| Installation Method | Hot Wedge Welding | Surface | Smooth |
| Brand Name | HDPE Smooth Geomembrane | Model Number | 0.3-3.0mm |
| Certification | ISO19001&CE | Place of Origin | China |
| High Light | Defect-free Smooth HDPE Geomembrane ，Homogeneous Smooth HDPE Geomembrane ，Long-term Smooth HDPE Geomembrane | ||
High-Density Polyethylene (HDPE) Smooth Geomembranes represent the pinnacle of fluid containment technology, delivering unmatched hydraulic integrity and long-term environmental protection. Manufactured from premium-grade virgin resins with stabilized carbon black and antioxidants, our smooth geomembranes provide a defect-free, homogeneous barrier solution for demanding applications where zero leakage is non-negotiable.
Optimal Hydraulic Performance
Ultra-Low Permeability: Hydraulic conductivity ≤1×10<sup>-13</sup> cm/sec (ASTM E96).
Zero Porosity: Non-textured surface eliminates preferential flow paths.
Superior Chemical Resistance
Resists acids, alkalis, hydrocarbons, salts, and landfill leachates (Compatible with >300 chemicals per GRI GM17).
Ideal for potable water containment (NSF/ANSI 61 certified).
Enhanced Mechanical Properties
Tensile Strength: 28–45 MPa (ASTM D6693 Type IV).
Puncture Resistance: >600 N (ASTM D4833).
Stress Crack Resistance: >500 hrs (Notched Constant Tensile Load, ASTM D5397).
Long-Term Durability
UV Resistance: ≥2.5% carbon black content (ASTM D4218).
Thermal Stability: Service range -70°C to +80°C.
OIT Retention: ≥80% retained oxidative induction time after 90-day UV exposure (ASTM D3895).
Installation Efficiency
Low Friction Coefficient: μ = 0.1–0.15 (ASTM D5321) enables rapid deployment on slopes.
Seam Integrity: Fusion seams achieve ≥90% parent material strength (ASTM D6392).
| Parameter | Value Range | Test Standard |
|---|---|---|
| Thickness | 0.75–3.0 mm (±10%) | ASTM D5199 |
| Density | ≥0.940 g/cm³ | ASTM D1505 |
| Melt Flow Index (190°C/5kg) | 0.1–1.0 g/10 min | ASTM D1238 |
| Carbon Black Dispersion | ≤1 Rating (Cat. 1–3) | ASTM D5596 |
| Vapor Transmission | ≤0.1 g·mm/m²·day | ASTM E96/E96M |
Water Containment:
• Potable water reservoirs & canals (NSF-61)
• Irrigation ponds, aquaculture liners
Environmental Protection:
• Landfill caps/base barriers (Subtitle D)
• Secondary containment bunds (EPA 264)
Industrial:
• Process water ponds, brine evaporation
• Tank farm liners (API 650 complement)
Infrastructure:
• Tunnel waterproofing membranes
• Stormwater management basins
Material Certification:
• GRI-GM13, GRI-GM17
• NSF/ANSI 61, FM 4470
• CE Marking (EN 13491, EN 13493)
Manufacturing Control:
• Automated extrusion calendering with laser thickness profiling
• Full-width online density monitoring
Seam Validation:
• Destructive testing (ASTM D6392)
• Non-destructive air channel testing (ASTM D5820)
"Smooth HDPE geomembranes provide the lowest permeability and highest chemical resistance among polymeric liners. Their homogeneous structure ensures predictable, long-term performance in critical containment systems where fluid loss risk must be minimized."
— Geosynthetics International (Vol. 29, 2022)
Request Project-Specific Data:
Specify thickness, width (up to 9m), roll length, and certification requirements for technical submittals. Custom formulations available for extreme chemical/UV exposure.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2008
Total Annual:
550 Million USD-830 Million
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Founded in 2008, Jianyi group is a large production base of solid waste safe landfill and engineering protective materials in China. The company has participated in the major infrastructure construction of the country and the "the Belt and Road", the construction of emergency epidemi... Founded in 2008, Jianyi group is a large production base of solid waste safe landfill and engineering protective materials in China. The company has participated in the major infrastructure construction of the country and the "the Belt and Road", the construction of emergency epidemi...
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