Installation method of 1.0 double gloss HDPE geomembrane covering Zhejiang landfill site

Description :

　　Geomembrane is one of the three main geosynthetic materials commonly used in landfill engineering (in addition to geonets and geotextiles), and its anti-seepage performance is the main indicator to measure whether the landfill meets environmental protection requirements. Geomembranes are usually made of continuous polymer thin layers and are not impermeable to water vapor. However, they are relatively impermeable to water vapor compared to geotextiles, fill soil, or even clay. Therefore, the main function of Tai'an Hengrui Geomembrane in garbage sanitary landfills is to block the leakage of leachate and landfill gas, and prevent harmful substances from polluting the surrounding environment. HDPE geomembrane is a widely used material in the anti-seepage engineering of garbage sanitary landfills. Installation method of 1.0 double gloss HDPE geomembrane covering Zhejiang landfill site

　　Technical parameters of 1.0mm HDPE geomembrane (anti-seepage membrane) (ordinary high-density polyethylene geomembrane GH-1 type):

　　Project Ltem

　　Thickness Thickness mm: 1.0mm

　　Density g/cm3:>; ≥0.940

　　Tensile yield strength (longitudinal and transverse) [Tensile Ystrength at Break (TD/MD)] N/mm: ≥ 13

　　Tensile strength at BAREAK (TD/MD) N/mm: ≥ 20

　　Elongation at Yield (TD/MD)%: ≥ 11

　　Elongation at break (longitudinal and transverse) [Elongation (TD/MD)]%: ≥ 600

　　Right angle tear load (longitudinal and transverse) [Angle Tear Load (TD/MD)] N: ≥ 115

　　Puncture resistance strength N: 240

　　Carbon Black Content%: 2.0-3.0

　　Carbon Black Dispersion: No more than 2 out of 10 data points are at level 3

　　Atmospheric Oxidation Induction Time (OIT) min: ≥ 60

　　Low temperature impact embrittlement performance: through

　　Water vapor permeability coefficient g.cm/(cm. s. Pa): ≤ 1.0 × 10-13

　　Dimensional Stability%: ± 2.0

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