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HDPE Geomembrane

HDPE Geomembrane

Linear low density polyethylene geomembrane for environmental protection (type GL-2)

Number of hits:77 Enter Time:2019-11-26 15:54:27


product description

The waterproof board for railway tunnels is made of specially formulated raw resin, which is produced by the flat extrusion process and has waterproof and anti-seepage functions.

 

Product specifications

Thickness: 1.5~3.0mm, width 2~4m, length according to engineering design.

 

Features

It has good elasticity, good flexibility, flexibility, and good low-temperature bending resistance; it has excellent anti-seepage and high barrier properties, good bonding performance and convenient construction.

 

Application range

Mainly used for important waterproof projects such as subway tunnels. It is used for waterproofing and seepage prevention projects in tunnels, subways, basements, roofs, etc. It is especially suitable for waterproofing of the inner surface of the vault.

 

Product performance standards

TB/T3360.1-2014 "Railway Tunnel Waterproof Material Part I Waterproof Board"

GB18173.1-2012 "polymer waterproof material part 1 waterproof board"

 

Technical Parameters

SN

Item

Index

EVA

ECB

PE

1

Tensile properties

Tensile strength at breakMPa

18

17

18

Elongation at break%

650

600

600

2

Tear strengthKN/m

 

100

95

95

3

Impermeability0.3MPa/24h

 

no leakage

no leakage

no leakage

4

Flexibility at low temperature33℃)

 

no crack

no crack

no crack

5

Heating expansion amount

extendmm

2

2

2

shrinkmm

6

6

6

6

Hot air aging80×168h

tensile strength at breakMPa

16

14

15

elongation at break%

600

550

550

7

Alkali resistance

Saturated Ca(OH)2 solution×168h

tensile strength at breakMPa

17

16

16

elongation at break%

600

600

550

8

Artificial weathering

tensile strength retention rate%

80

80

80

elongation elongation retention rate%

70

70

70

9

Puncture strength

thickness 1.5mmN

300

300

300

thickness 2.0mmN

400

400

400

thickness 2.5mmN

500

500

500

thickness 3.0mmN

600

600

600



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