• compound Geomembrane composite Geomembrane two pieces of geotextile and one piece of geomembrane System 1
  • compound Geomembrane composite Geomembrane two pieces of geotextile and one piece of geomembrane System 2
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compound Geomembrane composite Geomembrane two pieces of geotextile and one piece of geomembrane

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

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

Carbon Black Dispersion

1 or 2

10

Standard OTI Min

100

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 stormwater infiltration and recharge systems?
Yes, geomembranes can be used in stormwater infiltration and recharge systems. They are often used as liners to prevent the loss of water through seepage into the ground, ensuring that stormwater is effectively stored and can slowly infiltrate into the soil or recharge groundwater sources. This helps to replenish water resources and mitigate the impacts of stormwater runoff.
Q:what's the pneumatic membrane valve mechanism?
the pneumatic membrane valve mechanism are as follow: Pneumatic diaphragm control valve by the pneumatic membrane actuator mechanism and a valve body is composed of two parts, body structure is generally straight stroke type, the common part are single seater, two seater, sleeve, angle, three links, skateboarding, diaphragm structure. it is mainly by the valve cover, valve core, valve seat, valve stem, stuffing box, etc.. Upper end of the valve rod and thin film institutions push rod connected to the lower end, putting drives the valve rod to move, so that spool movement, changing the flow of fluid between the spool and the valve seat area, thus changing the flow of the fluid, to achieve the purpose of regulating.
Q:How do geomembranes contribute to contaminated site remediation?
Geomembranes contribute to contaminated site remediation by providing an impermeable barrier that prevents the spread of contaminants. They are used to line landfills, containment ponds, and other containment systems, effectively isolating the contaminated materials and preventing them from leaching into the surrounding environment. Geomembranes also help in preventing groundwater contamination and facilitate the collection and treatment of contaminated liquids.
Q:Are geomembranes resistant to freeze-thaw cycles?
Yes, geomembranes are generally resistant to freeze-thaw cycles. They are designed to withstand temperature fluctuations without significant damage or degradation, making them suitable for various applications in cold climates.
Q:What are the properties of a high-quality geomembrane?
A high-quality geomembrane possesses several key properties, including durability, flexibility, impermeability, chemical resistance, and long-term stability. It should be able to withstand harsh environmental conditions, such as UV radiation, extreme temperatures, and mechanical stress, without any significant deterioration. Additionally, it should have a high tensile strength and elongation to ensure it can accommodate ground movement and settlement. Impermeability is crucial to prevent the seepage of liquids or gases, while chemical resistance ensures it can withstand exposure to various chemicals and contaminants. Lastly, long-term stability is essential to maintain its performance and integrity over an extended period of time.
Q:Can geomembranes be used in potable water applications?
Yes, geomembranes can be used in potable water applications. They are often used as liners in water storage tanks, reservoirs, and other containment systems to prevent leakage and contamination of the water. Additionally, geomembranes can also be used in the construction of water treatment facilities to line and protect various components of the infrastructure.
Q:Is electrothermal?film useful?
1 heating principle: Floor heating uses low temperature radiation heating system, air conditioner uses and the air forced convection heat dissipation; 2 Start-up speed: Traditional floor heating is slow, self heating floor is fast; 3:comfort The temperature of self heating floor is from bottom to top, that is "warm head and cool feet" , the head is clear and not hot, the moisture in the air evaporates slowly with no desiccation and dust and it is environmental protection, clean and really comfortable. People can walk barefoot on the floor in winter, but the air convection is strong when using air-conditioner, the fast velocity will accelerate the evaporation of air and raise dusts, make people uncomfortable for warm head and cool feet, fragile people will be dizziness, chest tightness, people can not walk on the floor in winter; 4 space: It doesn't take up not space, the self heating floor doesn't take up the floor height; but the central air-conditioning needs suspended ceiling 5 installation: Floor heating should be installed before room decoration 6. layout of furniture: After the installation of floor heating, cabinets, sofa and other furniture with no feet should not be placed indoor.
Q:What is the stick membrane method on the wall?
1. the hair dryer can be adjusted to the hot air grade to blow soft the paster, while blowing, you should expose the paper, and be careful not to blow coke paper, otherwise it will be cut off, the control just right to blow the glue soft state, the heat transfer can be appropriately adjusted to small grade . 2. it can be injected alcohol from a corner , not too much, let the glue inside softening , until it can be peeled off, but this method has met the original background wall may affect the original background, we need to choose the method according to the actual situation. 3. For the metal wall you can also use a similar chemical solvents such as acetone, with quick cleaning speed, good effect, but ordinary wall is not recommended. 4. For hard tile wall with a thin blade can also be scraped off the sticker applied to a small area of ??the sticker.
Q:Can geomembranes be used in aquaculture?
Yes, geomembranes can be used in aquaculture. They are often used as liners in fish ponds and tanks to prevent water leakage, protect the environment, and improve water quality. Geomembranes help to maintain proper water levels and reduce the risk of contamination, making them a valuable tool in aquaculture practices.
Q:How do geomembranes prevent soil contamination in oil and gas industry applications?
Geomembranes prevent soil contamination in oil and gas industry applications by serving as a barrier between the soil and any potential contaminants. These impermeable liners are designed to prevent the migration of pollutants, such as hydrocarbons, from reaching the soil and groundwater. By effectively containing and isolating hazardous substances, geomembranes ensure that the surrounding environment remains protected from potential contamination.

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