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Geomembrane

Introduction

The HDPE and LDPE geomembrane is widely used for seepage-proofing and isolation in many areas.
  1. Environmental restoration project
    Soil improvement of grain base, industrial site, mining, water and other projects, vegetable greenhouses.
  2. Water conservancy projects
    River reservoirs, dam seepage reinforcement, slope protection, etc. Municipal seepage prevention (subway, building underground engineering, planting roof, roof garden seepage prevention, sewage pipe lining, etc.)
  3. Ecological and environmental engineering
    1. Domestic waste landfill, sewage treatment plant, power plant regulation pool, industry, hospital, solid waste.
    2. Gardening (artificial lake, river reservoir, golf course pond substrate, slope protection, green lawn waterproof,
    3. Petrochemical (chemical plant, oil refinery, gas station oil tank anti-seepage, chemical reaction tank, sediment tank lining moisture-proof, etc.)
    4. Mining (Washing pool, overflow pool, ash heap, dissolution pool, sedimentation tank, storage yard, tailings bottom lining seepage prevention, etc.)
  4. Traffic
    High-speed railway, highway foundation reinforcement, culvert seepage prevention.

Specification

    The product width is 1-6m, length is 50-100m, thickness and materials are shown in below specification tables.

  1. HSO series (HSO-0.3 / HSO-0.5 /HSO-0.75 ......)
    2. HDPE, Smooth surface, Ordinary type
    Item Unit Value
    Thickness mm 0.3 0.5 0.75 1 1.25 1.5 2 2.5 3
    Tensile strength N/mm 4 7 10 13 16 20 26 33 40
    Tensile breaking strength N/mm 6 10 15 20 25 30 40 50 60
    Vertial tear strength N 34 56 84 115 140 170 225 280 340
    Puncture resistance N 72 120 180 240 300 360 480 600 720
    Yield elongation % - - - 11
    Break elongation % 600
    Carbon black content % 2.0-3.0
    Tensile strength at break h 300
    Carbon black dispersity 　 In 10 data, grade 3 less than 1, grade 4,grade 5, not allowed
    Oxidation induction time in normal pressure min ≥60
    Low temperature embrittlement property 　 pass
    Dimension stability % ±2.0

     

  2. HSE series (HSE-0.75 / HSE-1 /HSE-1.25 ......)
    3. HDPE, Smooth surface, Envrionmental Type
    Item Unit Value
    Thickness mm 0.75 1 1.25 1.5 2 2.5 3 　 　
    Tensile strength N/mm 11 15 18 22 29 37 44 　 　
    Tensile breaking strength N/mm 20 27 33 40 53 67 80 　 　
    Vertial tear strength N 93 125 160 190 250 315 375 　 　
    Puncture resistance N 240 320 400 480 640 800 960 　 　
    Density g/cm3 0.94
    Yield elongation % 12
    Break elongation % 700
    Carbon black content % 2.0-3.0
    Tensile strength at break h 300
    Carbon black dispersity 　 In 10 data, grade 3 less than 1, grade 4,grade 5, not allowed
    Oxidation induction time ≥ min normal pressire oxidation time ≥100，high pressure oxidation time≥400
    Heat aging at 85°C % 55
    UV stability （After 1600h UV irradiation) % 50

     

  3. LSO series (LSO-0.3 / LSO-0.5 /LSO-0.75 ......)
    4. LDPE, Smooth surface, Ordinary type
    Item Unit Value
    Thickness mm 0.3 0.5 0.75 1 1.25 1.5 2 2.5 3
    Tensile breaking strength N/mm 6 9 14 19 23 28 37 47 56
    Vertial tear strength N 27 45 63 90 108 135 180 225 270
    Puncture resistance N 52 84 135 175 220 260 350 435 525
    Density g/cm3 0.939
    Break elongation % 560
    Carbon black content % 2.0-3.0
    Carbon black dispersity 　 In 10 data, grade 3 less than 1, grade 4,grade 5, not allowed
    Oxidation induction time in normal pressure min 60
    Low temperature embrittlement property % pass
    Dimension stability % ±2.0

     

  4. LSE series (LSE-0.5 / LSE-0.75 /LSE-1 ......)
    5. LDPE, Smooth surface, Environmental type
    Item Unit Value
    Thickness mm 0.5 0.75 1 1.25 1.5 2 2.5 3 　
    Tensile breaking strength N/mm 13 20 27 33 40 53 66 80 　
    2% secant modulus N/mm 210 370 420 520 630 840 1050 1260 　
    Vertial tear strength N 50 70 100 120 150 200 250 300 　
    Puncture resistance N 120 190 250 310 370 500 620 750 　
    Break elongation % 800
    Carbon black content % 2.0-3.0
    Carbon black dispersity 　 In 10 data, grade 3 less than 1, grade 4,grade 5, not allowed
    Oxidation induction time ≥ min normal pressire oxidation time ≥100，high pressure oxidation time≥400
    Heat aging at 85°C % 35
    UV stability （After 1600h UV irradiation) % 35

     

  5. LRE series (LRE-0.75 / LRE-1 /LRE-1.25 ......)
    6. LDPE, Rough surface, Environmental Type
    Item Unit Value
    Thickness mm 0.75 1 1.25 1.5 2 2.5 3 　 　
    Tensile strength at yields N/mm 11 15 18 22 29 37 44 　 　
    Tensile breaking strength N/mm 8 10 13 16 21 26 32 　 　
    Vertial tear strength N 93 125 160 190 250 315 375 　 　
    Puncture resistance N 200 270 335 400 535 670 800 　 　
    Rough surface height mm 0.25
    Yield elongation % 12
    Break elongation % 100
    Cracking time of tensile load h 300
    Carbon black content % 2.0-3.0
    Carbon black dispersity 　 In 10 data, grade 3 less than 1, grade 4,grade 5, not allowed
    Oxidation induction time ≥ min normal pressire oxidation time ≥100，high pressure oxidation time≥400
    Heat aging at 85°C % 55
    UV stability （After 1600h UV irradiation) % 50
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