Introduction
Geomembrane is a kind of waterproof material with basic raw material of high molecular polymer.
Features:
1.Excellent environmental stress resistant cracking performance and chemical erosion
resistance
2. Big scope of application temperature and long service life.
Application:
Applied in the projects of landfill waste site, bank, dam, pool, filth treatment site, tailings depot, subway and tunnel etc.
◆Parameters Table|
No.
|
Item
|
Parameters
|
||||||||
|
Thickness（mm）
|
0.30
|
0.50
|
0.75
|
1.00
|
1.25
|
1.50
|
2.00
|
2.50
|
3.00
|
|
|
1
|
Density（g/cm3）
|
≥0.940
|
||||||||
|
2
|
Yield strength（N/mm）
|
≥4
|
≥7
|
≥10
|
≥13
|
≥16
|
≥20
|
≥26
|
≥33
|
≥40
|
|
3
|
Breaking strength（N/mm）
|
≥6
|
≥10
|
≥15
|
≥20
|
≥25
|
≥30
|
≥40
|
≥50
|
≥60
|
|
4
|
Yield Elongation（%）
|
-
|
-
|
-
|
≥11
|
|||||
|
5
|
Elongation at break（%）
|
≥600
|
||||||||
|
6
|
Tear Resistance（N）
|
≥34
|
≥56
|
≥84
|
≥115
|
≥140
|
≥170
|
≥225
|
≥280
|
≥340
|
|
7
|
Puncture Resistance（N）
|
≥72
|
≥120
|
≥180
|
≥240
|
≥300
|
≥360
|
≥480
|
≥600
|
≥720
|
|
8
|
Carbon Black Content（%）
|
2.0~3.0
|
||||||||
|
10
|
Oxidation induction time at Standard（OIT）（min）
|
≥60
|
||||||||
|
11
|
Low temperature impact embrittlement performance
|
Pass
|
||||||||
|
12
|
Permeability coefficient of vapor（g-cm/（cm2-s.Pa））
|
≤1.0x 10-13
|
||||||||
|
13
|
Size tolerance（%）
|
±2.0
|
||||||||