China HDPE Geomembrane Factory Price Bulk Order Guide
Product Definition
China HDPE geomembrane factory price bulk order refers to large-volume procurement of high-density polyethylene geomembrane directly from Chinese manufacturers, typically for landfill, mining, aquaculture, and water containment projects. Bulk purchasing ensures cost efficiency, consistent quality control, and stable supply for engineering-scale applications.
Technical Parameters and Specifications
When evaluating china hdpe geomembrane factory price bulk order, buyers must review engineering-grade specifications rather than focusing solely on unit cost.
| Property | Typical Value (GM13 Standard) |
|---|---|
| Thickness Range | 0.5 mm – 3.0 mm |
| Density | ≥ 0.94 g/cm³ |
| Tensile Strength (2.0 mm) | ≥ 27 kN/m |
| Elongation at Break | ≥ 700% |
| Puncture Resistance | ≥ 640 N (2.0 mm) |
| Carbon Black Content | 2.0–3.0% |
| Standard Roll Width | 5 m – 8 m |
| Roll Length | 50 m – 200 m |
Factory pricing in bulk orders usually varies depending on thickness, resin grade, anti-UV formulation, and total quantity (typically ≥20,000 m² per order).
Structure and Material Composition
Base Resin: Virgin HDPE resin (PE100 grade)
Carbon Black: UV stabilization and weather resistance
Antioxidants: Thermal aging protection
Processing Stabilizers: Ensure uniform extrusion
Premium china hdpe geomembrane factory price bulk order products use ≥97% virgin resin to guarantee long-term durability and environmental compliance.
Manufacturing Process
1. Raw Material Preparation
Virgin HDPE resin and additives are automatically proportioned and mixed.
2. Extrusion Blown Film or Flat Die Process
Large-scale automatic extrusion lines form continuous sheets under controlled temperature (200–230°C).
3. Thickness Calibration
Online thickness gauge ensures ±5% tolerance control.
4. Surface Treatment
Optional texturing for slope stability in landfill or mining projects.
5. Quality Inspection
Each roll tested for tensile strength, tear resistance, and OIT (oxidative induction time).
6. Roll Packaging
Steel-core winding with moisture-proof outer packaging for export bulk order delivery.
Industry Comparison
| Material | Durability | Chemical Resistance | Cost Level | Typical Use |
|---|---|---|---|---|
| HDPE Geomembrane | Very High | Excellent | Moderate | Landfill, Mining |
| LDPE | Medium | Good | Lower | Ponds |
| PVC | Medium | Moderate | Higher | Decorative Water Bodies |
| EPDM | High | Good | High | Landscape Ponds |
For large infrastructure projects, china hdpe geomembrane factory price bulk order provides the best balance between performance and lifecycle cost.
Application Scenarios
EPC Contractors: Municipal landfill and hazardous waste containment
Distributors: Regional stock supply for aquaculture and water reservoirs
Mining Companies: Heap leach pads and tailings dams
Developers: Industrial wastewater treatment lagoons
Core Pain Points and Engineering Solutions
1. Price Fluctuation Risk
Solution: Lock resin index-linked pricing in factory contracts for bulk order.
2. Inconsistent Quality
Solution: Request third-party testing reports (SGS/BV) per shipment.
3. Welding Failure on Site
Solution: Specify surface smoothness and provide welding procedure specifications.
4. Logistics Damage During Export
Solution: Use steel-core rolls and reinforced pallet packaging.
Risk Warnings and Mitigation Advice
Avoid recycled resin products for landfill primary liner systems.
Verify thickness tolerance reports before shipment.
Confirm UV resistance for exposed applications.
Inspect roll labeling traceability.
Procurement and Selection Guide
Define project design thickness (e.g., 1.5 mm or 2.0 mm).
Calculate total area including 5–8% overlap allowance.
Request factory production capacity verification.
Review material compliance certificates.
Compare china hdpe geomembrane factory price bulk order quotes FOB vs CIF.
Confirm production lead time (typically 7–20 days).
Arrange pre-shipment inspection.
Plan welding equipment compatibility.
Engineering Case Example
A Southeast Asia municipal landfill project required 180,000 m² of 1.5 mm HDPE liner. The EPC contractor selected a china hdpe geomembrane factory price bulk order arrangement with 7 m width rolls to reduce field welding seams by 18%. Total material procurement cost decreased by approximately 12% compared to regional distributors, while maintaining GM13 compliance and third-party inspection approval.
FAQ – China HDPE Geomembrane Factory Price Bulk Order
1. What is the minimum bulk quantity?
Typically 20,000 m² per specification.
2. How is factory price calculated?
Based on thickness, resin cost, quantity, and surface type.
3. Can custom roll width be produced?
Yes, depending on extrusion line capacity.
4. Is virgin resin mandatory?
For landfill primary liners, yes.
5. What standards are followed?
Commonly GRI-GM13 or ASTM standards.
6. How long is production time?
Usually 7–20 days after deposit.
7. What is expected service life?
20–50 years depending on exposure.
8. Are textured liners more expensive?
Yes, typically 5–10% higher.
9. How to ensure welding quality?
Perform trial weld and vacuum testing on site.
10. Can factory provide installation guidance?
Most manufacturers offer remote technical support.
Request Technical Quotation
For project-specific china hdpe geomembrane factory price bulk order quotation, provide thickness, quantity, application type, destination port, and required standard. Technical data sheets, samples, and welding guidelines are available upon formal inquiry.
Authoritative Industry Background (E-E-A-T)
This article is prepared by engineers with over 10 years of experience in geomembrane manufacturing, landfill liner design support, and international bulk export supply chain management. Content reflects practical engineering procurement considerations and factory production realities relevant to EPC contractors, distributors, and environmental infrastructure developers.
