Description
Geomembrane is a smooth, high quality, high density polyethylene (HDPE) geomembrane produced from specially formulated, virgin polyethylene resin. This polyethylene resin is designed specifically for flexible geomembrane applications. It contains approximately 97.5% polyethylene, 2.5% carbon black and trace amounts of antioxidants and heat stabilizers; no other additives, fillers or extenders are used. Geomembranehas outstanding chemical resistance, mechanical properties, environmental stress crack resistance, dimensional stability and thermal aging characteristics. Geomembrane has excellent resistance to UV radiation and is suitable for exposed conditions. These product specifications meet or exceed GRI GM13.
- Excellent chemical resistance
- Outstanding stress crack resistance
- Lowest permeability
- History of proven performance
- Meet or exceed all aspects of GRI GM 13
Specification ASTM GRI-GM13 Standard
| HDPE Minimum Material Properties | |||||
Style | ASTM | HDPE 40 | HDPE 60 | HDPE 80 | HDPE 60 | HDPE 80 |
Nominal Thickness | D5199 | 40 mil | 60 mil | 80 mil | 57 mil | 76 mil |
Density (Untextured) | D792 | 0.94 | 0.94 | 0.94 | 0.94 | 0.94 |
Tensile Strength | D638 | 84 ppi | 126 ppi | 168 ppi | 126 ppi | 168 ppi |
Stress @ Break | 152 ppi | 228 ppi | 304 ppi | 90 ppi | 120 ppi | |
Strain @ Yield | 12% | 12% | 12% | 12% | 12% | |
Strain @ Break | 700% | 700% | 700% | 100% | 100% | |
Tear Resistance | D1004 | 28 lbs | 42 lbs | 56 lbs | 42 lbs | 56 lbs |
Dimensional Stability | D1204 (Max) | ± 2% | ± 2% | ± 2% | ± 2% | ± 2% |
Stress Cracking | D5397 | 500 Hours | 500 Hours | 500 Hours | 500 Hours | 500 Hours |
Puncture Resistance | D4833 | 72 lbs | 108 lbs | 144 lbs | 90 lbs | 120 lbs |
Black Content | D1603 | 2.0 - 3.0% | 2.0 - 3.0% | 2.0 - 3.0% | 2.0 - 3.0% | 2.0 - 3.0% |
Black Dispersion | D5596 | CAT 1 or 2 | CAT 1 or 2 | CAT 1 or 2 | CAT 1 or 2 | CAT 1 or 2 |
Maximum Continuous use Temperature1 |
| 70°C | 70°C | 70°C | 70°C | 70°C |
Features
- Durable, UV stable material
- Supplied in8m wide rolls
- Good chemical resistance
Application
- Excellent long term exposed lining material
- Landfill liners
- Heap leach and mine ponds
- All water containment applications
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