Posa Geomembrane Compound Geomembrane Composite with Two Geotextiles and One Geomembrane

Posa Geomembrane Compound Geomembrane Composite with Two Geotextiles and One Geomembrane System 1

Posa Geomembrane Compound Geomembrane Composite with Two Geotextiles and One Geomembrane System 2

Posa Geomembrane Compound Geomembrane Composite with Two Geotextiles and One Geomembrane

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 1000 m²

Supply Capability:: 900000 m²/month

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Product Description:

Geomembranes are generally considered to be made from continuous, highly impermeable, extruded flexible sheets of either HDPE (High Density Polyethylene) or LDPE (Low Density Polyethylene). However, it is also possible to tightly weave small tape fibres of these polymers so as to achieve (either directly or by subsequent treatment) an impermeable membrane. Predominantly, the continuous extruded sheets are used for water containment or waste disposal linings. These inevitably involve the lining of soil slopes and, in order to increase the frictional characteristics of the membranes, so as to resist sliding, one or both sides of geomembranes can be provided with roughened or raised profile surfaces.

Applications:

Geomembranes have a very low coefficient of permeability - much lower than most clays and natural soils. HDPE, in particular, is highly resistant to any form of chemical or biological attack. It is also very resistant to U.V. degradation. Many geomembranes are so inert that they cannot be glued together - the chemical reactions of adhesives do not work on them - they have to be welded together by heat. Their inert nature and long life characteristics make HDPE geomembranes ideal to act as liners for liquid chemical reservoirs, fresh-water reservoirs, animal waste containers, basal linings and top capping layers for waste disposal sites. During installation, HDPE geomembrane edges are sealed to one another with a double heat welded joint. The gap between the two welds is checked for leakage using an air pressure test. Many users consider that HDPE is the ideal material for the purpose of lining water and waste disposal sites because of its proven long term stability and resistance to chemical attack, but in addition to HDPE, there is LDPE, for less demanding applications such as fresh water retention and a membrane reinforced with a polyester reinforcing fabric for use where higher in-plane stresses have to be absorbed.

No.	Item	Test Value
No.	Item	0.75mm	1.0 mm	1.25 mm	1.5 mm	1.8mm	2.0mm	2.5 mm	3.0mm
1	Minimum Density(g/cm³)	0.94
2	Strength at yield,N/mm	11	15	18	23	27	30	38	45
3	Strength at break ,N/mm	21	28	33	43	51	57	71	85
4	Elongation at yield,%	13
5	Elongation at break,%	700min
6	Tear Resistance N	93	125	156	187	219	249	311	373
7	Puncture Resistance N	263	352	440	530	618	703	881	1059
8	Stress Crack Resistance, hrs	400
9	Carbon Black Content, %	2.0-3.0
9	Carbon Black Dispersion	1 or 2
10	Standard OTI Min	100
10	High Pressure OTI Min	400
11	Impact Cold Crack at -70°C	Pass
12	Water vapor permeability (g.cm/cm2 .s.Pa)	≤1.0×10-13
13	Dimensional Stability (%)	±2

compound Geomembrane composite Geomembrane two pieces of geotextile and one piece of geomembrane

FAQ

How about the delivery time?Lead time since receipt of 30% T/T deposit payment: 3 weeks.(Samples will be prepared within 3 days.)

2.What's are the MOQ?Generally speaking, the MOQ is one container, but we can provide you samples for quality inspection.

3. Do you charge for the samples?Accordeing to our company policy, the samples are free, we only charge the freight fee. And we will return the freight fee during the next order.

4. Can you produce according to customers' design?Sure, we are professional manufacturer, OEM and ODM are both welcome.

Q: Can geomembranes be used in decorative landscape designs?: Yes, geomembranes can be used in decorative landscape designs. They can be used to create ponds, water features, retaining walls, and other decorative elements. Geomembranes provide a waterproof barrier that helps to prevent leaks and maintain the integrity of the design. Additionally, they can be easily hidden or covered with natural materials to blend seamlessly into the landscape.

Q: How do geomembranes prevent seepage in reservoirs?: Geomembranes prevent seepage in reservoirs by acting as a impermeable barrier between the water in the reservoir and the underlying soil or rock. These synthetic liners are designed to have very low permeability, effectively blocking the passage of water molecules. This prevents seepage of water from the reservoir into the surrounding area and helps to maintain the water level and quality within the reservoir.

Q: How do geomembranes protect against soil erosion in erosion control projects?: Geomembranes are impermeable liners that are used in erosion control projects to prevent soil erosion. These liners act as a barrier, preventing water from infiltrating into the soil and carrying away the sediment. By effectively containing water and providing a stable surface, geomembranes protect the underlying soil from erosion caused by rainfall, runoff, or other erosive forces.

Q: Are geomembranes resistant to acid rain?: Yes, geomembranes are typically resistant to acid rain. They are designed to have excellent chemical resistance, including resistance to acidic substances such as acid rain.

Q: what's the application of composite geo-membrane? What are its features? what's the variety of composite geotextile?: Water?conservancy: Reservoir anti-seepage channel seepage-proof dam slope protection and so on highway: reinforced pavement, anti-cracking, etc

Q: What instrument should be used to test the pressure withstand strength of geomembrane?: Hydrostatic pressure tester is generally used.

Q: What kind of mobile phone stick membrane is good?: Membrane is generally divided into two kinds: high permeability membrane and matte film, high permeability membrane has the advantage of high natural brightness, it looks brighter, but the disadvantage is that the light reflection is low which is a big problem, it will make it difficult to see the text on the screen, ect.. And matte film surface is uneven, when the light is diffuse reflection, so that the screen is not too bright, it is soft, with low light transmission rate.

Q: What are the limitations of geomembranes in high-UV exposure conditions?: Geomembranes, specifically those made of polyethylene, have limitations in high-UV exposure conditions. The intense ultraviolet (UV) radiation can cause degradation and deterioration of the material over time. This leads to a decrease in the geomembrane's mechanical properties, such as tensile strength and puncture resistance. Additionally, prolonged exposure to UV rays can result in the formation of cracks, brittleness, and ultimately, a reduction in the overall lifespan of the geomembrane. To mitigate these limitations, various additives and coatings can be incorporated into the geomembrane's formulation to enhance its UV resistance.

Q: What are the differences of geotextiles and geomembranes?: Geotextiles are geosynthetics with water?permeability made from synthetic fiber by needle punching or weaving. The finished products are generally 4-6m wide and 50-100m long. Geomembranes are impermeable geosynthetics made from non-woven fabrics and plastic film used as seepage-proof base materials. The performance in seepage control mainly depends on the properties of plastic films.

Q: Are geomembranes resistant to punctures from rocks and sharp objects?: Yes, geomembranes are designed to be highly resistant to punctures from rocks and sharp objects. They are typically made from durable materials like high-density polyethylene (HDPE) or polyvinyl chloride (PVC), which have excellent puncture resistance properties. Additionally, some geomembranes may also have reinforced layers or coatings to provide further protection against punctures.

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