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（smooth)environmental protectionⅡ with high density polyethylene geomembrane HDPE index(type GH-2S)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 protectionⅡ with high density polyethylene geomembrane HDPE index(type GH-2S)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 protectionⅡ with high density polyethylene geomembrane HDPE index(type GH-2S)GB/T 17643-2011
|
NO. |
Item |
Unit |
Value |
REMARK |
||||||
|
1 |
thickness |
mm |
0.75 |
1.00 |
1.25 |
1.50 |
2.00 |
2.50 |
3.00 |
|
|
2 |
Density ≥ |
g/c㎤ |
0.940 |
|
||||||
|
3 |
tensile break strength ≥ |
N/mm |
11 |
15 |
18 |
22 |
29 |
37 |
44 |
(TD/MD) |
|
4 |
tensile break strength ≥ |
N/mm |
20 |
27 |
33 |
40 |
53 |
67 |
80 |
(TD/MD) |
|
5 |
Yield elongation ≥ |
％ |
12 |
(TD/MD) |
||||||
|
6 |
Break elongation ≥ |
|
700 |
(TD/MD) |
||||||
|
7 |
vertical tear strength ≥ |
N |
93 |
125 |
160 |
190 |
250 |
315 |
375 |
(TD/MD) |
|
8 |
anti-puncture strength ≥ |
N |
240 |
320 |
400 |
480 |
640 |
800 |
960 |
|
|
9 |
carbon black content |
％ |
2.0--3.0 |
|
||||||
|
10 |
tensile strength at break ≥ |
h |
300 |
|
||||||
|
11 |
carbon black distribute |
|
In 10 data,3degree no more than 1,4 and 5 degree not carbon black distribute allowed |
|
||||||
|
12 |
（OIT)≥anti-oxidation time |
MIN |
high pressure oxidation time≥100 |
|
||||||
|
high pressure oxidation time≥400 |
||||||||||
|
13 |
85°Cheat anti-aging ≥
|
％ |
55 |
|
||||||
|
14 |
Uv resistance (OIT retention rate after 1600h UV irradiation)≥ |
％ |
50 |
|
||||||
|
15 |
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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