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  • (smooth) polyethylene geomembrane index GBT 17643-1998
  • (smooth) polyethylene geomembrane index GBT 17643-1998
(smooth) polyethylene geomembrane index GBT 17643-1998
Update time:2023-11-14
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;
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DESCRIPTION:

Features: waterproof,isolation

Products include :LDPE geomembrane,LLDPE geotechnical membrane,HDPE geomembrane,EVA geotechnical Film,ECB geomembrane,PVC geotechnical membrane,textured geomembrane etc.


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.


NO.ItemValue
GLGH
GL-1GL-2GH-1GH-2
1tensile   strength MPa≥14≥17≥25
2elongation   at break%≥400≥450≥550
3Right-angle   tear strength N/min


≥50≥80≥110
4Carbon   black content1) %≥ 2
5F20 Resistance   to environmental stress crackingF20  h------≥1500
6Induction   time of oxidation at200℃ min------≥20
7Water   vapor permeability coefficient g·cm/(c㎡2.s·Pa)≤1.0X10^(-13)
8Low   Temperature Impact Embrittlement Behavior of-70℃pass
9Dimensional   stability %±3
Black geomembrane requirements


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