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Pond liner HDPE Geomembrane

Geomembranes use plastic movies as anti-seepage substrates, commonly which encompass polyvinyl chloride (PVC) and polyethylene (PE), EVA (ethylene/vinyl acetate copolymer). In tunnel applications, ECB (ethylene vinyl acetate modified asphalt combo geomembrane) is moreover designed and used.

Commodity name： Pond liner HDPE Geomembrane

Category:

Textured HDPE Geomembrane

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john@xiuhegeo.com

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Description

Introduction

The specs of geomembranes can fluctuate in accordance to one of a kind utility necessities and engineering requirements. Here are some frequent specs for geomembranes

1.Thickness: The thickness of geomembrane is normally between 0.2mm and 3.0mm, and distinctive thicknesses are appropriate for one of a kind software scenarios. Thin geomembranes are appropriate for mild load sites, whilst thicker geomembranes are appropriate for websites that can face up to large masses or require greater anti-seepage capabilities.

2.Width: The width of the geomembrane is commonly between 1m and 8m, and can additionally be custom-made in accordance to needs. The resolution of width have to be decided primarily based on unique engineering necessities and the stipulations of the laying site, to make certain that the insurance place is totally protected and the anticipated impact is achieved.

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Applications

3.Strength: The electricity of geomembranes is evaluated via tensile testing, and frequent power indications encompass tensile power and tear resistance. Different engineering necessities may also require exceptional power degrees of geomembranes to make sure their sturdiness and steadiness at some point of use.

4.Color: Geomembranes are normally divided into two colors: black and transparent. Black geomembrane can higher take in warmness below daylight and is appropriate for functions that require growing soil temperature; Transparent geotextile can enable mild to pass by through, making it appropriate for agricultural cowl purposes that require light.

Working Drawing

It must be referred to that the precise specs of geomembranes can also additionally be associated to elements such as geographical environment, engineering design, and regulatory standards. Therefore, in real use, it is indispensable to pick out and observe them in accordance to unique circumstances.

Specifications

Thicknesses mm	0.75	1	1.25	1.5	2	2.5	3
Densities g/cm³	≥ 0.940
Roughness height	≥0.25
Tensile yield strength (longitudinal and transverse) N/mm	≥11	≥15	≥18	≥22	≥29	≥37	≥44
Tensile breaking strength (longitudinal and transverse) N/mm	≥8	≥10	≥13	≥16	≥21	≥26	≥32
Yield elongation (longitudinal and transverse) %	≥12
Elongation at break (longitudinal and transverse) %	≥100
Right angle tearing load (longitudinal and transverse) N	≥93	≥125	≥160	≥190	≥250	≥315	≥375
puncture strength N	≥ 200	≥ 270	≥335	≥400	≥ 535	≥670	≥800
Stress cracking under tensile load	≥300
Carbon black content %	2.0-3.0
Carbon Black Dispersibility	No more than 1 out of 10 data at level 3, not allowed at levels 4 and 5
Atmospheric pressure oxidation induction time (OIT)min	Atmospheric pressure oxidation induction time ≥ 100
Atmospheric pressure oxidation induction time (OIT)min	High pressure oxidation induction time ≥ 400
85°C heat aging %	≥55
anti-ultraviolet	≥ 50