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1.5mm HDPE geomembrane competitive price
HDPE Membrane liner is produced from virgin polyethylene resin,entirely free of plasticizers or other filler materials . HDPE is enhanced with carbon black to provide the best protection against the effect of ultraviolet radiation
HDPE membrane liner has unique physical ,chemical , biological and mechanical properties . Within a certain range,properties may be varied to suit desired specifications for specific liners.The desired properties are usually determined after careful consideration of prevailing conditions under which the liner will be installed and operated, Of prime importance are the following criteria:
Strength characteristics
Elastic and plastic deformability
Relaxation characteristics
Chemical rankness
Stress cracking resistance
Ageing resistance
Process ability
Thickness
Dimensions
HDPE membrane liner is manufactured in up to 8.2 meters wide rolls
HDPE membrane liner are produced from 0.3mm-3.0,mm in thickness
Melt Flow Index
The melt flow index measures the process ability of the polyethylene . This property determines the possibility of extruding the polyethylene both for membrane manufacture and also for welding during installation on site .
Water Absorption
Water absorption indicates the capability of absorption and diffusion of the sealing membrane with regards to polar liquid media .The relatively low residual water absorption of polyethylene can be attributed to the hygroscopic properties of the carbon black that is added to the material . From a technical point of view , there is on water absorption of the polyethylene itself
Water tightness --Permeability
Flexible liner membranes based on polyethylene are , when correctly manufactured , water tight with respect to liquid media . The material absorbs very little water. Contrary to mineral liners . Permeation is not influenced by differential pressure .
The most widely used geomembrane in the world. Excellent longevity, UV resistance and chemical resistance.
HDPE is also the cheapest (per mm thickness) industrial geomembrane commercially available, Therefore it should also be the first geomembrane material considered and only not used on the basis of sound technical considerations. In practice HDPE will be the most suitable geomembrane to be used in over 95% of applications.
HDPE liners can be supplied as smooth, single sided textured and double sided textured.
Application
Landfill lining
to protect the ground water from contamination.
Landfills capping
to prevent fluid flow in the landfill, to trap and properly vent the gases generated during decomposition of organic waste and to permit efficient revegetation and restoration of the area.
Water reservoirs
for collecting rain-water before it reaches the sea.
Reservoirs for waste-water
to protect the groundwater sources or streams.
Pond-lining
for artificial lakes and irrigation of farms.
Irrigation canals
an economic alternative to concrete and compacted earth for transporting water and irrigating large areas. Also used to reduce seepage from existing deteriorated concrete linings.
Protection of lake banks
for soil stabilization.
Tunnels
protecting the structure against humidity and water pressure.
Earth dams
for soil stabilization.
Underground insulation
of chemical plants, petrol stations & roads to prevent chemicals, oil etc. from polluting the underground water in case of a leakage.
Mining
for preventing contamination of the soil and underground water and permitting extraction of precious metals by heap leaching, using chemical solutions.
Tanks
secondary lining for preventing pollution in case of leakage or chemical spill.
Insulation of buildings & construction projects
Evaporation basins
Aquaculture
Water reservoirs for fish breeding.
Technical Parameters (GRI-GM13)
Properties | Test method | GM SH075 | GM SH100 | GM SH125 | GM SH150 | GM SH200 | GM SH250 | GM SH300 |
Thickness | D5199 | 0.75mm | 1.00mm | 1.25mm | 1.50mm | 2.00mm | 2.50mm | 3.00mm |
Density | D1505 | 0.940 | 0.940 | 0.940 | 0.940 | 0.940 | 0.940 | 0.940 |
Tensile properties 1. Yield strength 2. Breaks strength 3. Yield elongation 4. Break elongation |
D6693 Type IV |
11KN/m 20KN/m 12% 700% |
15KN/m 27KN/m 12% 700% |
18KN/m 33KN/m 12% 700% |
22KN/m 40KN/m 12% 700% |
29KN/m 53KN/m 12% 700% |
37KN/m 67KN/m 12% 700% |
44 KN/m 80 KN/m 12% 700%
|
Tear resistance | D1004 | 93N | 152N | 156N | 187N | 249N | 311N | 374N |
Puncture resistance | D4833 | 240N | 320N | 400N | 480N | 640N | 800N | 960N |
Stress crack resistance | D5397(App.) | 300hr | 300hr | 300hr | 300hr | 300hr | 300hr | 300hr |
Carbon black content | D1603 | 2.0% | 2.0% | 2.0% | 2.0% | 2.0% | 2.0% | 2.0% |
Oxidative induction time (OIT) | D3895 | 100 min | 100min | 100min | 100 min | 100min | 100min | 100min |
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