Hdpe Geomembrane/ Black Plastic Sheeting
SPECIFICATION OF GEOMEMBRANE
1.Basic info:
Geomembrane is a kind of waterproof material with basic raw material of high molecular polymer. It is mainly divided into PE geomembrane, PVC geomembrane, CPE geomembrane and all kinds of composite geomembrane.
2.Advantages:
Complete variety of specifications of width and thickness. Thickness: 0.08-2mm/Width: 2-16m .
Excellent environmental stress resistant cracking performance.
Excellent performance of chemical erosion resistance.
Big scope of application temperature and long service life .
Applied in landfill waste site, sewage and filth treatment site, tailings depot and underground construction project.
3. Poperties
Speification |
Index |
|||
GL |
GH |
|||
GL-1 |
GL-2 |
GH-1 |
GH-2 |
|
Tensile strength MPa |
≥14 |
≥17 |
≥25 |
|
Elongation at break% |
≥400 |
≥450 |
≥550 |
|
Right angle tearing strengthN/mm |
≥50 |
≥80 |
≥110 |
|
Carbon soot quantity |
≥2 |
|||
Environmental stress resistant cracking performance |
-- |
-- |
≥1500 |
|
Oxidation induction time at 200℃min |
-- |
-- |
≥20 |
|
Permeability coefficient of vapor(g·cm/cm2·s·pa) |
≤1.0x |
|||
Impact degradation performance at -70℃ |
Pass |
|||
dimension stability% |
±3 |
|||
Note:
GL-1: common low-density PE geomembrane
GL-2: flexible PE-acetic acid, EVA geomembrane
GL-1 : common high (medium) density PE geomembrane
GL-2: environment protective common high (medium) density PE geomembrane
Items |
Standard |
Tensile strength MPa |
≥25 |
Elongation at break% |
≥550 |
Right angle tearing strengthN/mm |
≥110 |
Carbon soot quantity |
|
Environmental stress resistant cracking performance |
≥1500 |
Oxidation induction time at 200℃min |
≥20 |
Permeability coefficient of vapor(g·cm/cm2·s·pa) |
≤1.0x |
Impact degradation performance at -70℃ |
Pass |
dimension stability% |
±3 |
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