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Dam anti-seepage 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： Dam anti-seepage HDPE Geomembrane

Category:

Textured HDPE Geomembrane

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john@xiuhegeo.com

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Description

Introduction

Geomembrane is an impermeable cloth used to structure an isolation layer between soil and water, generally used in the following areas:

Soil anti-seepage: Geomembrane can stop water from seeping thru the soil to the underground water layer below, taking part in a function in anti-seepage. It is considerably used in water conservancy initiatives such as embankments, ditches, canals, reservoirs, and agricultural obligations such as farmland, orchards, and vegetable greenhouses to forestall water loss and immoderate infiltration.
Soil water retention: Geomembranes can give up water from penetrating deep into the soil, taking section in a feature in water retention. It is generally used in farmland, gardens, inexperienced spaces, and exclusive areas in arid areas, which can avert water evaporation and soil water loss, and furnish invulnerable water conditions.

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Applications

geomembranes are impermeability, water retention, soil stability, soil air pollution prevention, and the formation of isolation layers. They play an necessary position in fields such as water conservancy engineering, agricultural engineering, environmental engineering, and avenue engineering.

Working Drawing

Soil stability: Geomembranes can assist make bigger the shear electricity and erosion resistance of soil, bettering soil stability. It can be used for the reinforcement and safety of soil slopes and castles, to forestall soil landslides and collapses, and to preserve the stability of slopes.

Preventing soil pollution: Geomembranes can cease hazardous substances, chemicals, and heavy metals from infiltrating into groundwater and water bodies, enjoying a attribute in stopping soil pollution. It is generally used in industrial internet internet web sites such as city landfills, hazardous waste disposal sites, and chemical vegetation to shield the protection of groundwater and the surrounding environment.

Isolation layer: Geomembrane can in addition shape an isolation layer between one of a type soil layers, stopping the alternate and mixing of specific sorts of soil, and preserving the independence of a extent soil layers. It is many cases used in avenue engineering such as roads, railways, airports, etc. to stop mutual infiltration and have an impact on between special soil layers.

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