TerraTough HDPE Waterproofing Membrane
TerraTough HDPE Waterproofing Membrane is a premium high-density polyethylene (HDPE) geomembrane engineered for demanding civil engineering, environmental containment, and infrastructure projects. Manufactured from virgin HDPE resin with carbon black and UV stabilizers, it delivers exceptional chemical resistance, mechanical strength, and long-term durability.
Available Thickness: 0.75mm to 3.0mm | Width: Up to 8m | Service Life: 50-70 years
Key Features & Benefits
| Feature | Benefit |
|---|---|
| Superior Chemical Resistance | Resists over 80 chemicals including acids, alkalis, and hydrocarbons |
| Extremely Low Permeability | Near-total impermeability to water, leachate, and gases |
| High Mechanical Strength | Excellent tensile, puncture, and tear resistance |
| 50-70 Year Service Life | Long-term durability with UV stabilizers and antioxidants |
| Wide Temperature Range | Performs from -70°C to +70°C |
| UV Resistant | Carbon black content 2.0-3.0% for exposed installations |
| Excellent Weldability | Factory-quality field welds using hot wedge or extrusion welding |
| Environmentally Safe | Non-toxic, recyclable material |
Technical Specifications
| Property | Test Method | 1.0mm | 1.5mm | 2.0mm |
|---|---|---|---|---|
| Density | ASTM D1505 | ≥0.94 g/cm³ | ≥0.94 g/cm³ | ≥0.94 g/cm³ |
| Tensile Strength at Break | ASTM D6693 | ≥27 N/mm | ≥40 N/mm | ≥53 N/mm |
| Elongation at Break | ASTM D6693 | ≥700% | ≥700% | ≥700% |
| Tear Resistance | ASTM D1004 | ≥125 N | ≥190 N | ≥250 N |
| Puncture Resistance | ASTM D4833 | ≥320 N | ≥480 N | ≥640 N |
| Stress Crack Resistance | ASTM D5397 | ≥300 hours | ≥300 hours | ≥300 hours |
| Carbon Black Content | ASTM D1603 | 2.0-3.0% | 2.0-3.0% | 2.0-3.0% |
| Low Temperature Impact | ASTM D746 | Pass at -70°C | Pass at -70°C | Pass at -70°C |
Key Applications
Landfill cells, caps, and liners
Mining heap leach pads and tailing ponds
Wastewater treatment lagoons
Industrial secondary containment
Reservoir and canal liners
Tunnel and subway waterproofing
Building basement waterproofing
Artificial lakes and aquaculture ponds
Why Choose TerraTough?
| Application | Why TerraTough? |
|---|---|
| Landfills | Impermeable barrier against leachate, meets EN 13493 standards |
| Mining | Chemical resistance to process solutions, high puncture strength |
| Water Containment | Zero permeability, potable water grade available |
| Tunnels | Flexible, weldable, long service life in buried conditions |
| Industrial | Secondary containment for hazardous materials |
Standards Compliance: GB/T 17643 | EN 13361/13362 | ASTM D4437 | ISO 9001
Project References
| Project | Location | Application | Quantity |
|---|---|---|---|
| Shanghai Refuse Landfill | China | Landfill liner & cap | 320,000 m² |
| Mining Tailings Facility | Chile | Tailings pond liner | 450,000 m² |
| London Crossrail Tunnels | United Kingdom | Tunnel waterproofing | 62,000 m² |
| Dubai Industrial Park | UAE | Secondary containment | 85,000 m² |
| Mekong Delta Reservoir | Vietnam | Reservoir liner | 550,000 m² |
| Singapore Deep Tunnel | Singapore | Sewage tunnel liner | 120,000 m² |
| Alberta Oil Sands | Canada | Process water ponds | 280,000 m² |
| Perth Desalination Plant | Australia | Brine containment | 45,000 m² |
FAQs
| Question | Answer |
|---|---|
| What is HDPE vs other membranes? | Superior chemical resistance & mechanical strength for demanding applications |
| Service life? | 50-70 years with proper installation |
| Can it be used for drinking water? | Yes, potable water grade available (NSF/ANSI 61) |
| How is it installed? | Hot wedge or extrusion welding by certified technicians |
| Warranty? | 10 years standard, up to 20 years with certified installation |
| Suitable for slopes? | Yes, textured surface options for increased friction |
| Recyclable? | Yes, 100% recyclable HDPE |