Chinese Top HDPE Geomembrane for Dam Lining
Chinese top HDPE Geomembrane for dam lining
Product Description
hdpe geomembrane is a waterproof membrane made by polyethylene (PE), PVC
and other geomembranes. After the processes of calendering, spreading and rolling you will
get the product.
Product Features
• Versatile sealing applications possible
• Excellent chemical resistance due to selected raw materials
• Extreme high elongation during uni-axial and multiaxial deformation
• High stress cracking resistance
• Very high UV-resistance
• Direction independent shear stress transfer with structured surfaces
• High interface friction angles with embossed structured surfaces
• Slope dependent structured surfaces available for project specific designs
• Complete quality control from the resin to the final product
• High Melt Flow Index allows an excellent welding performance
• Smooth edges with removable plastic tape for clean welding surface and overlap lines
• ISO 9001: 2000 certified
Product Specification& Type
No. |
Item |
Test Value |
||||||
0.75mm |
1.0 mm |
1.25 mm |
1.5 mm |
2.0 mm |
2.5 mm |
3.3mm |
||
1 |
Minimum Density(g/cm³) |
0.939 |
||||||
2 |
Tensile Property |
|
||||||
|
Strength at yield,N/mm |
11 |
15 |
18 |
22 |
29 |
37 |
44 |
Strength at break ,N/mm |
20 |
27 |
33 |
40 |
53 |
67 |
80 |
|
Elongation at yield,% |
12 |
|||||||
Elongation at break,% |
700 |
|||||||
3 |
Tear Resistance N |
93 |
125 |
156 |
187 |
249 |
311 |
374 |
4 |
Puncture Resistance N |
240 |
320 |
400 |
480 |
640 |
800 |
960 |
5 |
Stress Crack Resistance, hrs |
300 |
||||||
6 |
Carbon Black |
|
||||||
|
Carbon Black Content, % |
2.0-3.0 |
||||||
Carbon Black Dispersion |
1 or 2 |
|||||||
7 |
Oxidation Induction Time(OTI) |
|
||||||
|
Standard OTI Min |
100 |
||||||
High Pressure OTI Min |
400 |
|||||||
8 |
Impact Cold Crack at -70°C |
Pass |
||||||
9 |
Water vapor permeability (g.cm/cm2 .s.Pa) |
≤1.0×10-16 |
||||||
10 |
Dimensional Stability (%) |
±2 |
||||||
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