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(smooth) environmental protection and low density polyethylene geomembrane HDPE index [GL-2] type (GB II) GB/T 17643-2011
LDPE geomembrane,LLDPE geotechnical membrane,HDPE geomembrane,EVA geotechnical Film,ECB geomembrane,PVC geotechnical membrane,textured geomembrane etc.
Key words :
(smooth) environmental protection and low density polyethylene geomembrane HDPE index [GL-2] type (GB II) GB/T 17643-2011
Category :
Polyethylene Geomembrane
Details description
Description:
Features: waterproof,isolation
Products include:LDPE geomembrane,LLDPE geotechnical membrane,HDPE geomembrane,EVA geotechnical Film,ECB geomembrane,PVC geotechnical membrane,textured geomembrane etc.
(smooth) environmental protection and low density polyethylene geomembrane HDPE index [GL-2] type (GB II) GB/T 17643-2011
|
NO.
|
Item |
Unit |
Value |
REMARK |
||||||||||||||||
|
1 |
thickness |
mm |
0.50 |
0.75 |
1.00 |
1.25 |
1.50 |
2.00 |
2.50 |
3.00 |
|
|||||||||
|
2 |
density≤ |
g/cm3 |
0.939 |
|
||||||||||||||||
|
3 |
tensile break strength≥ |
N/mm |
13 |
20 |
27 |
33 |
40 |
53 |
66 |
80 |
(TD/MD) |
|||||||||
|
4 |
break elongation ≥ |
% |
800 |
(TD/MD) |
||||||||||||||||
|
5 |
2％scant modulus≤ |
N/mm |
210 |
370 |
420 |
520 |
630 |
840 |
1050 |
1260 |
|
|||||||||
|
6 |
vertical tear strength≥ |
N |
50 |
70 |
100 |
120 |
150 |
200 |
250 |
300 |
(TD/MD) |
|||||||||
|
7 |
anti-puncture strength ≥ |
N |
120 |
190 |
250 |
310 |
370 |
500 |
620 |
750 |
|
|||||||||
|
8 |
carbon black content |
% |
2.0-3.0 |
|
||||||||||||||||
|
9 |
carbon black distribute |
h |
In 10 data,3degree no more than 1,4 and 5 degree not allowed |
|
||||||||||||||||
|
10 |
oxidation time（OIT） |
min |
normal press oxidation time≥100 |
|
||||||||||||||||
|
|
|
|
igh press oxidation time≥400 |
|
||||||||||||||||
|
11 |
85℃ heat aging(after 90days the rate of OIT)≥ |
% |
35 |
|
||||||||||||||||
|
12 |
anti-UV(after 1600h the rate of OIT)≥ |
% |
35 |
|
||||||||||||||||
|
13 |
Thickness limit deviation |
% |
-10 |
|
||||||||||||||||
Application:
landfill,sewage or waste disposal field seepage;
Along the river,the lake dam, tailings dam, dam and reservoir area sewage channel, and a liquid storage tank (pit mine);
Subway,underground chambers and tunnels,the tunnel lining;
Subgrade and foundation of saline seepage;
Embankment, dam foundation impervious blanket and vertical impervious layer,construction of cofferdam,scrap yard;
Sea water,fresh water breeding farm.
Highway,highway,railway subgrade;expansive soil and collapsible loess waterproof layer.
Roofing seepage proofing.
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