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Composite geomembrane

Composite geomembrane

The composite geomembrane is a kind of impermeable material which is made of geotextile (staple fiber needled geotextile, polyester filament geotextile, woven geotextile, etc.). It is mainly used for seepage control and reinforcement. The composite geomembrane is divided into one cloth one film, two cloth one film, multi cloth and multi membrane. The width of 1-6m, weight is 200-1500g/ square meters, the physical and mechanical indexes of tensile, tearing and bursting properties such as high, can meet the requirements of water conservancy, municipal, construction, transportation, subway and tunnel engineering. Because of the high polymer material used in the production process and the addition of anti aging agent.

Composite geomembrane

Characteristics of composite geomembrane:

The utility model has the functions of seepage prevention, filtration and drainage, and has the functions of isolation and reinforcement.

High strength, peel strength, high puncture resistance.

Drainage capacity, friction coefficient, small expansion coefficient.

Good aging resistance, wide temperature range and stable quality

Application range of composite geomembrane:

Widely used in water conservancy, environmental protection, construction, transportation, tunnels and other projects

Specification for composite geomembrane:

One cloth one film(cloth:100-1000(g/m2)Film thickness:0.1-1.5mm)

Two cloth one film(cloth:80-600(g/m2)Film thickness:0.2-1.5mm)

One cloth two film(cloth:100-1000(g/m2)Film thickness:0.1-0.8mm)

Multi membrane(cloth:100-1000(g/m2)Film thickness:0.1-0.8mm)

Composite geomembrane Composite geomembrane

Performance index of composite geomembrane:

project

Mass per unit areag/m2

400

500

600

700

800

900

1000

Remarks

Film thickness mm

0.25-0.35          0.3-0.5

breaking strength KN/m

5

7.5

10.0

12.0

14.0

16.0

18.0

Vertical and horizontal

elongation at break% 30-100

CBRBursting strength KN≥

1.1

1.5

1.9

2.2

2.5

2.8

3.0

 

Tearing strengthKN≥

0.15

0.25

0.32

0.4

0.48

0.56

0.62

Vertical and horizontal

peel strength N/cm

6

Vertical and horizontal

Permeability coefficient cm/s

k*10-11-10-13

k=1.0-9.9

Composite geomembrane 2017-7-25 This article is read 706 times
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