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Geomembrane

  • Commodity name: Geomembrane
As a new type of material, HDPE impermeable membrane has excellent anti-seepage, anti-corrosion performance, good chemical stability, and can be processed according to the actual engineering needs of the characteristics and functions, has been widely used in water conservancy projects with the dam, reservoir seepage control, but also in the channel, reservoir, sewage pool, swimming pool, housing construction, underground buildings, garbage dump, environmental engineering and so on.

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  • Product Description
  • Introduction:

    As a new type of material, HDPE impermeable membrane has excellent anti-seepage, anti-corrosion performance, good chemical stability, and can be processed according to the actual engineering needs of the characteristics and functions, has been widely used in water conservancy projects with the dam, reservoir seepage control, but also in the channel, reservoir, sewage pool, swimming pool, housing construction, underground buildings, garbage dump, environmental engineering and so on.

    The parameters are as follows: GB/T 17643-2011 National Standard-Technical Parameters of Smooth Geomembrane

    Serial Number Project Unit 0.75mm 1.0mm 1.25mm 1.5mm 2.00mm 2.5mm 3.0mm
    1 Density G/cm3 0.940
    2 Tensile yield strength (longitudinal and transverse) N/mm 11 15 18 22 29 37 44
    3 Tensile breaking strength (longitudinal and transverse) N/mm 20 27 33 40 53 67 80
    4 Yield elongation (longitudinal and transverse) % 12
    5 Elongation at break (longitudinal and transverse) % 700
    6 Right-angle tear load (longitudinal and transverse) N 93 125 160 190 250 315 375
    7 Puncture resistance N 240 320 400 480 640 800 960
    8 Tensile load stress cracking (notched dead load tension method) Hrs 300
    9 Carbon black content %       2.0-3.0      
    10 carbon black dispersion     Of the ten data, there is no more than 1 level 3, and levels 4 and 5 are not allowed.  
    11 Oxidation induction time (OIT) min Atmospheric oxidation induction time ≥ 100
    min High pressure oxidation induction time ≥ 400
    12 Thermal aging at 85 ℃ (OIT retention rate at atmospheric pressure after 90d) ≥ %       55      
    13 Retention rate of OIT after anti-ultraviolet radiation (1600h after ultraviolet radiation) ≥ %       50      

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