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Mobil: 86 13805488591
Mobil: 86 18905487777
Mobil: 86 13705387277
  86 13810003606
Contact: Mr.Zhang
FAX: 086-538-3539777
TEL: 086-538-3536877
  086-538-3539888
MSN: lianyigeogrid1123
@hotmail.com
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948884826@qq.com
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Composite Geomembrane
Name:  
  Composite Geomembrane
Note:  
 

Functions: penetrative protection, isolation

Application:
Earthwork dam, rock-fill dam, masonry dam and concrete dam; horizontal impervious blanket of embankment and dam front, vertical impervious barrier of foundation; tailing dam, dam body and reservoir region of sewage reservoir; construction cofferdam; canal, liquid bath (pit, coffin pit); waste storage; seepage control lining for subway, basement and tunnel; roadbed of speedway and railway; salting prevention of roadbed and other foundation; waterproofer of swelling soil and collapsible loess; roofing leak resistance 

Products: Two-side seepage control membrane and one preventive geotextile; one-side seepage control membrane and preventive geotextile.

Width: 4-6m
Specification: membrane thickness 0.2mm-0.8mm; protective geotextile 100g/m2-800g/m2 (produced by our factory, conforming to the related national standard).

Table1 Basic Technological Requirement:

Serial number
Items
Indices
Allowance, %
 
1
Mass-area ratio, g/m2
According to design or contractual specifications
-10
 
2
Width, cm
According to design or contractual specifications
-1.0
 
3
Breaking strength 1),KN/m
According to design or contractual specifications
-5
Vertically and horizontally
4
Tearing extensibility %
Adherence to specification
30~100
Vertically and horizontally
5
Ripping strength 1), KN
According to design or contractual specifications
-8
Vertically and horizontally
6
CBR bursting strength, KN
According to design or contractual specifications
-5
 
7
Stripping strength 2), N/cm
6
Not below the standard
Vertically and horizontally
8
Resistance to hydrostatic pressure, Mpa
According to design or contractual specifications
Not below the standard
 
9
Permeability coefficient, cm/s
According to design or contractual specifications
Adherence to specification
 

1) For the strength requirements of common short-fiber needling nonwovens/polyethylene composite geomembrane, see Table 2
2) If the sample is tested hard to predict its stripping and not beyond the high strength base material and membrane material, it will be regarded as qualified one. 
 

Table 2 Strength Standard for Short-fiber Needling Nonwovens/Polyethylene Composite Geomembrane:

Mass-area ratio

400

500

600

700

800

900

1000

Remark

Strength requirement\membrane thickness, mm

0.250.345

 0.30.5

Breaking strength, KN/m  5 

7.5

10.0

12.0

14.0

16.0

18.0 Vertically and horizontally

CBR bursting strength, KN 1.1

1.5

1.Strength requirement\membrane thickness, mm 9

2.2

2.5

2.8

3.0

CBR bursting strength KN   1.1

1.5

1.9CBR bursting strength, KN 1.1

2.2

2.5

2.8

3.0

Note: When the practical specification is between the neighboring specifications in the table, the related check indicators will be calculated according to the interpolation method; if the product specifications is beyond the table given scope or it is with other process or construction, the check indicators carry out the design or negotiated by the supplier and demander.

 
 
 
 
 
 
 
 
Feicheng Lianyi Engineering Plastics Co.,ltd.
Mobil:86 13805488591 86 18905487777 86 13705387277 Beijing Office: 86 13810003606
FAX:086-0538-3539777
Mail:lianyigeogrid@yahoo.com.cn geogrid_tex@yahoo.com.cn
MSN: lianyigeogrid1123@hotmail.com
Factory Site: Feicheng New & High-tech Development Zone, Shandong
Contact:Mr.Zhang
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