LDPE Geomembrane
Date:2014-04-29   Viewers:   Size: 16px  14px  12px

LDPE Geomembrane

 

GTM LDPE Geomembrane is made from Low Density Polyethylene resins. The both sides of our LDPE Geomembrane are smooth.
LDPE Geomembrane is manufactured by the technology of coextrusion-blown triple layer.

LDPE Geomembrane Features:
1. Excellent physical and mechanical performance,
2. High tearing resistance;
3. Good deformation adaptability,
4. High puncture resistance;
5. Perfect waterproof performance, seepage and humidity resistance.

LDPE Geomembrane Applications:
The public works seepage projects of culvert, canal, reservoir, gardens and building etc.

 

Technical Parameter:

No.

Item

                                 Test Value

0.75mm

1.0 mm

1.25 mm

1.5 mm

2.0 mm

2.5 mm

3.0mm

1

Minimum Density(g/cm³)

                                    0.939

2

Tensile Property

 

 

Strength at yield,N/mm

    11

   15

    18

   22

   29

   37

 44

Strength at break ,N/mm

    20

    27

     33

   40

   53

   67

 80

Elongation at yield,%

                                        12

Elongation at break,%

                                        700

3

Tear Resistance N

    93

  125

    156

  187

   249

  311

  374

4

Puncture Resistance N

  240

  320

   400

   480

   640

  800

  960

5

Stress Crack Resistance, hrs

                                      300

6

Carbon Black

 

 

Carbon Black Content, %

                                  2.0-3.0

Carbon Black Dispersion

                                  1 or 2

7

Oxidation Induction Time(OTI)

 

 

Standard OTI Min

                                  100

High Pressure OTI Min

                                  400

8

Impact Cold Crack at -70°C

                                 Pass

9

Water vapor permeability

(g.cm/cm2 .s.Pa)

                           ≤1.0×10-16

10

Dimensional Stability (%)

                                   ±2

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