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Composite geomembrane
performance Excellent anti-seepage and high barrier properties; High puncture resistance; Corrosion resistance to acids, alkalis, and various chemical substances; Excellent elongation and wear resistance; High adhesive performance makes construction more convenient.
scope of application Water conservancy dams, railways, highways, drainage engineering, housing, environmental protection, and many other fields.
Technical Parameter
Refer to GB/T17642-2008
project
index
Nominal breaking strength,kN/m
5
7.5
10
12
14
16
18
20
1
Longitudinal and transverse fracture strength,kN/m≥
5
7.5
10
12
14
16
18
20
2
Elongation corresponding to standard strength in both vertical and horizontal directions %
30-100
3
CBR bursting strength,kN≥
1.1
1.5
1.9
2.2
2.5
2.8
3.0
3.2
4
Vertical and horizontal tearing strength,kN≥
0.15
0.25
0.32
0.40
0.48
0.56
0.62
0.70
5
Peel Strength,N/cm≥
6
6
Wide deviation %
-1.0
Refer to Q/CR549.3-2016
project
index
Nominal strength,kN/m
14
16
18
20
22
1
Longitudinal and transverse tensile fracture strength,kN/m≥
14
16
18
20
22
2
Longitudinal and transverse tensile fracture elongation %,≥
30
3
CBR bursting strength,kN≥
2.8
3.0
3.4
4.0
5.2
4
Vertical and horizontal tearing strength,kN≥
0.40
0.48
0.56
0.65
0.72
5
Peel Strength,kN/m
0.3
6
Wide deviation,%
+ 0.5
7
Mass per unit,g/㎡
600
700
800
900
1000
8
Deviation per unit area,%
-5