UV Resistant HDPE Smooth Geomembrane for Anti-Aging and Durable Protection in Any Environment
Product Introduction
Smooth geomembrane, also known as smooth geosynthetic membrane, is a waterproof and barrier-type geosynthetic material made from high molecular polymer as the basic raw material. It uses high-quality primary high-density polyethylene (HDPE) as the impervious base material. In the production process, a certain amount of carbon black, antioxidants, anti-aging agents, ultraviolet absorbers, and color concentrates are added through a special formula. It is then mass-produced and refined using a highly automated equipment and a three-layer co-extrusion blow molding technology.
Product Properties
Waterproof performance
Text: Smooth geomembrane has extremely low permeability, making it an efficient waterproof material. Its surface is smooth, not easily adhering to debris, and has good water permeability, suitable for occasions requiring high water permeability.
Chemical resistance and UV resistance
The smooth surface geomembrane has excellent chemical resistance and UV resistance, which can maintain its performance and service life in various harsh environments for a long time.
Anti-aging capability
The smooth surface geomembrane has excellent anti-aging ability, can maintain its performance and service life for a long time in the natural environment, and is not easy to be damaged by ultraviolet radiation.
Simple Construction and Cost-Effectiveness
The smooth surface geomembrane is easy to construct, low cost, and can effectively reduce the project cost and improve the engineering efficiency. In addition, it also has environmental protection, does not contain harmful substances, and will not cause pollution to the environment.
Product Application
The smooth surface geomembrane is widely used in various fields due to its excellent performance, including but not limited to:
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Hydraulic Engineering: Used for seepage prevention, drainage, and protection, improving the waterproof performance and stability of the project.
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Environmental Protection Projects: Used for impervious and protective measures in landfills, wastewater treatment plants, etc., to reduce environmental pollution.
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Construction Field: Used for waterproofing and protection in places such as roofs, basements, swimming pools, etc., to improve the service life and safety of buildings.
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Other Applications: Also suitable for river channel management, reservoir seepage prevention, aquaculture, tailings dam seepage prevention, and other projects.
Product Specification
* Thickness(mm): 0.30mm~3.00mm
* Width:1m~9m
* Roll length: 30m~100m (customized request accept)
PS: Customized request accept for all above.
(According to the Latest National standard: GH-2S & GB/T 17643-2025)
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Specification
|
0.75mm
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1.00mm
|
1.25mm
|
1.50mm
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2.00mm
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2.50mm
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3.00mm
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Remark
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|
Item
|
|
Thickness (mm)
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0.75mm
|
1.00mm
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1.25mm
|
1.50mm
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2.00mm
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2.50mm
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3.00mm
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|
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Density (g/c㎡,≥)
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0.940
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|
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Tensile Properties
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|
Yield Strength (N/mm,LD/TD)
|
11
|
15
|
18
|
22
|
29
|
37
|
44
|
|
|
Breaking Strength (N/mm,LD/TD)
|
20
|
27
|
33
|
40
|
53
|
67
|
80
|
|
|
Yeild Elongation Rate (%)
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10-16
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|
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Breaking Elongation Rate (%)
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≥700
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|
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Rectangular Tear Strength (N)
|
93
|
125
|
160
|
190
|
250
|
315
|
375
|
|
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Puncture Strength (N)
|
240
|
320
|
400
|
480
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640
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800
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960
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|
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Environmental Stress Crack Resistance (h)
(A single point of incision constant tensile method)
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≥500
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|
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Carbon Black
|
|
Carbon Black Content(Rang) (%)
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2.0~2.8
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|
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Carbon Black Dispersion
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Nine of 10 observation area should be grade 1 or grade 3, not more grade4,grade5
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|
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Oxidative Induction Time (OIT)
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Standard OIT (min)
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≥100
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|
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High Pressure OIT (min)
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≥400
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|
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85℃ Oven Ageing (Minimum Average)
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90 days after baking, the standard OIT retention(%)
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≥55
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|
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90 days after baking, the hight pressure OIT retention(%)
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≥80
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|
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The Anti-UV Strength
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|
Ultraviolet irradiation after 1600 hours, the standard OIT retention(%)
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≥50
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|
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-70℃ The Low Temperature Embrittlement Performance impact
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Pass
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|
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Water Vapor Penetration Coefficient g.cm (cm2.s.Pa)
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≤1.0X10-13
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|
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Dimensional Stability
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±2.0
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Product Specification and Technical Index
(According to the Latest National standard: GH-1 & GB/T 17643-2025)
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Specification
Item
|
0.30
|
0.50
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0.75
|
1.00
|
1.25
|
1.50
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2.00
|
2.50
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3.00
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Remark
|
|
Thickness (mm)
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0.30
|
0.50
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0.75
|
1.00
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1.25
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1.50
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2.00
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2.50
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3.00
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|
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Density (g/c㎡,≥)
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≥0.94
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Tensile Yield Strength (N/mm, ≥,LD/TD)
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4
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7
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10
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13
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16
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20
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26
|
33
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40
|
|
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Tensile Breaking Strength (N/mm, ≥,LD/TD)
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6
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10
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15
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20
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25
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30
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40
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50
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60
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|
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Yield Elongation Rate (%,≥,LD/TD)
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-
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-
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-
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1-16
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|
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Breaking Elongation Rate (%,≥,LD/TD)
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≥600
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|
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Rectangular Tear Load (N,≥,LD/TD)
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34
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56
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84
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115
|
140
|
170
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225
|
280
|
340
|
|
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Puncture Strength (N,≥)
|
72
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120
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180
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240
|
300
|
360
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480
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600
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720
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|
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Carbon Black Content (%)
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2.0~2.8
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|
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Carbon Black Dispersion
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Less than 1date of Grade 3 out of 10 data, grade 4,grade 5 is not allowed
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