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Test | Unit | Standard | Test Frequency |
RH75 | RH10 | RH15 | RH20 | RH30 | |
Mechanical Properties | Thickness | mm | D5199 | per roll | 0.75 | 1.00 | 1.50 | 2.00 | 3.00 |
Density | g/cc | D1505/D792 | 90,000 kg | 0.94 | |||||
Tensile Properties | D 6693 | ||||||||
· yield strength | kN/m | Type IV | 9,000 kg | 11 | 15 | 22 | 29 | 44 | |
· break strength | kN/m | 20 | 27 | 40 | 53 | 80 | |||
· yield elongation | % | 12 | 12 | 12 | 12 | 12 | |||
· break elongation | % | 700 | 700 | 700 | 700 | 700 | |||
Tear Resistance | N | D 1004 | 20,000 kg | 93 | 125 | 187 | 249 | 374 | |
Puncture Resistance | N | D 4833 | 20,000 kg | 240 | 320 | 480 | 640 | 960 | |
Stress Crack Resistance | hr. | D 5397 | per GRI GM-10 | 500 hr. | |||||
Carbon Black Content | % | D 4218 | 9,000 kg | 2.0-3.0% | |||||
Reference Propertied | Oxidative Induction Time | min | D 3895 | 90,000 kg | 100 min. | ||||
(a) Standard OIT | D 5885 | ||||||||
(b) High Pressure OIT | 400 min. | ||||||||
Oven Aging at 85°C retained after 90 days |
% | D 5721 | per each | ||||||
(a) Standard OIT - % | D 3895 | formulation | 55% | ||||||
(b) High Pressure OIT - % | D 5885 | 80% | |||||||
UV Resistance | % | per each | |||||||
High Pressure OIT - % retained after 1600 hrs |
D 5885 | formulation | 50% | ||||||
Roll Size | Roll Width | m | 7/8 | 7/8 | 7/8 | 7/8 | 7 | ||
Roll Length | m | 280 | 210 | 140 | 105 | 70 | |||
Size stability | % | 2% |
Geomembranes of different thicknesses have various applications. Here are some common uses:
Thin geomembranes (0.5-1.0 mm):
Liners for small ponds and lakes: Thin geomembranes are suitable for lining small water bodies, such as decorative ponds, lakes, and canals.
Secondary containment: They can be used as a secondary containment layer in tank farms, gas stations, and other industrial facilities.
Erosion control: Thin geomembranes can be used to control erosion on slopes, embankments, and channels.
Medium-thickness geomembranes (1.0-2.0 mm):
Landfills and waste management: Medium-thickness geomembranes are commonly used as liners for landfills, waste disposal sites, and hazardous waste facilities.
Water storage and management: They can be used for lining water storage tanks, reservoirs, and canals.
Mining applications: Medium-thickness geomembranes are used in mining operations for tailings management, heap leach pads, and process water storage.
Thick geomembranes (2.0-3.0 mm and above):
High-risk applications: Thick geomembranes are used in high-risk applications, such as nuclear waste storage, chemical storage, and oil refineries.
Large-scale water management: They are used for lining large water storage facilities, such as dams, reservoirs, and canals.
Heavy-duty industrial applications: Thick geomembranes are used in heavy-duty industrial applications, such as mining, oil and gas, and chemical processing.
Here are 8 key features of geomembranes:
These features make geomembranes an effective solution for a wide range of applications, including environmental protection, mining, water management, and more.