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HDPE Geomembranes for landfill projects 2.5mm
Products Description
This product is extruded PE membrane formed by adding anti- oxidant, absorbent of ultraviolet and dyestuff into HDPE and will provide an effective barrier to of liquid water and water vapor.HDPE performs well in mechanical properties ,ageing-resistance , chemical-resistance ,climate- resistance and resistance to puncture
HPDE characteristics
· Low permeability
· High ultra violet resistance
· Resistant to wide range of chemicals
· Economical over large project areas
· Lower puncture resistance than other membranes
· High coefficient of linear thermal expansion
· Available in textured finish for increased friction
Applications
Solid Waste Landfill for secured dumping of Hazardous Waste.
Lining of Fly Ash ponds.
Thermal / Hydro power plant.
Dumping of Radio Active waste.
Masking of concrete structures at places like Port, Jetty, Bridge.
Spill containment for Chemical and Petrochemical Industries.
Installation
HDPE is a very technical product to install properly .HDPE requires specialized welding equipment and certified welding technicians to be installed properly
The most common method of securing the liners on side slopes is by means of an anchor trench around the perimeter .A battern strip or an embed channel system is used to attach the liner to structures
Field Seaming
There is a great deal more field welding due to the lack of factory fabrication .Welding is done with hot wedges on long field seams , and extrusion welders are used on detail work and pipe boots
Seamed by fusion welding ,heat is applied directly to the Geomembrane panels by a motorized hot wedge welder .The panels are then routed through a series of rollers that fuse the material together .
Extrusion welding is generally confined to repairs on the liner material
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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