01
Composite Geomembrane Pond Liner Waterproof Impermeable
Our company adopts latest domestic production equipment.
In order to ensure 100% product pass rate, quality control department of the company to implement the production line inspection and random inspection of finished products, for the quality of product of the “Zhonglong” brand to provide double insurance.




Technical Parameter
No. |
Item |
Index |
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1 |
Nominal fracture strength KN/m |
5 |
7.5 |
10 |
12 |
14 |
16 |
18 |
20 |
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2 |
Longitudinal and transverse fracture strength KN/m |
≥5.0 |
≥7.5 |
≥10.0 |
≥12.0 |
≥14.0 |
≥16.0 |
≥18.0 |
≥20.0 |
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3 |
Elongation corresponding to longitudinal and transverse standard strength % |
30~100 |
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4 |
CBR Bursting strength KN |
≥1.1 |
≥1.5 |
≥1.9 |
≥2.2 |
≥2.5 |
≥2.8 |
≥3.0 |
≥3.2 |
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5 |
Longitudinal and transverse tearing strength KN/m |
≥0.15 |
≥0.25 |
≥0.32 |
≥0.40 |
≥0.48 |
≥0.56 |
≥0.62 |
≥0.70 |
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6 |
Resistance to hydrostatic water pressure MPa |
See the table below |
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7 |
Peel strength N/cm |
≥6 |
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8 |
Vertical permeability coefficient cm/s |
According to design or contract requirements |
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9 |
Deviation of width % |
-1.0 |
Specified Value of Hydrostatic Pressure Resistance
Item |
Thickness of membrane |
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0.2 |
0.3 |
0.4 |
0.5 |
0.6 |
0.7 |
0.8 |
1.0 |
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Resistance to hydrostatic water pressure MPa | One geotextile one membrane |
≥0.4 |
≥0.5 |
≥0.6 |
≥0.8 |
≥1.0 |
≥1.2 |
≥1.4 |
≥1.6 |
Two geotextile one membrane | ≥0.5 | ≥0.5 | ≥0.8 | ≥1.0 | ≥1.2 | ≥1.4 | ≥1.6 | ≥1.8 |