Geomembrane

RuiHeng Building Materials: Your Leading Geomembrane Manufacturer in China!

With more than 18 years of industry experience, we take professionalism, innovation and excellent quality as our creed, and are committed to providing customers with excellent geomembranes, geotextiles and other geosynthetic materials products. Through advanced production technology, rich experience and unremitting innovation, we provide the best geotechnical material solutions for engineering and construction projects in various industries around the world.

Advanced Materials
We manufacture custom geomembrane liners made from reinforced polyethylene (RPE), reinforced polypropylene (RPP) and low density polyethylene (LDPE). Our RPE and RPP liners are stronger, provide better puncture and tear resistance, are lighter weight and have excellent UV resistance when exposed to sunlight.

Reliable Quality Control

The company has established a national-standard laboratory for in-house quality control. We built a strict quality control system in all aspects from raw materials testing,production processes to final product quality testing.

Professional Experience

We has more than 18 years experience of geotextiles production in geosynthetic products, including geomembrane, geotextile, HDPE geomembrane, geocell, 3D geomat and etc. We provide complete geosynthetic solutions for ground stabilization, reinforcement and drainage, erosion control, bank and slope protection.

Complete Qualifications

Our factory is certificated by ISO9001, ISO14001, and OHSAS18001. All geomembranes have passed the certificates of the TUV, Soncap, SASO, BV and the test of SGS and Intertek etc.

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Types of Geomembrance

PVC Geomembrane

PVC (Polyvinyl Chloride) geomembranes is a thermoplastic waterproofing material made with vinyl, plasticizers, and stabilizers. When ethylene dichloride is cracked into a dichloride, the result is then polymerized to make the polyvinyl chloride resin used for PVC geomembranes. PVC geomembrane is tear, abrasion, and puncture-resistant, making them suitable for constructing canals, landfills, soil remediation, wastewater lagoon liners, and tank linings. The material is also perfect for maintaining potable drinking water and preventing contaminants from entering water sources.

TRP Geomembrane

A TRP (Reinforced Polyethylene) geomembrane uses polyethylene fabric for long-term water containment and industrial waste applications. TRP geomembranes are an ideal choice for soil remediation, landfills, canals, lining temporary retaining ponds, agricultural & municipal applications due to their low-temperature range, chemical resistance, and ultraviolet stability.

HDPE Geomembrane

High-Density Polyethylene (HDPE) is characterized by strong UV/temperature resistance, inexpensive material cost, durability, and high resistance to chemicals. It is the most commonly used geomembrane because it offers higher thickness which other geomembranes don’t. HDPE is the preferred choice for pond and canal lining projects, landfill, and reservoir covers. Thanks to its chemical resistance, HDPE can be used in storing potable water.

LLDPE Geomembrane

LLDPE (Linear Low-Density Polyethylene) geomembrane is made with virgin polyethylene resins which make it strong, durable, and resistant to UV & low temperature. Engineers and installers who require an impermeable geomembrane usually opt for LLDPE as it offers more flexibility compared to HDPE. They are used in industrial applications, such as animal & environmental waste containments as well as liquid storage tanks.

RPP Geomembrane

RPP (Reinforced Polypropylene) geomembranes are polyester-reinforced liners made from a UV-stabilized polypropylene copolymer that gives the material stability, chemical resistance, and flexibility. Its strength and durability can be traced to the support it gets with nylon scrim. RPP geomembranes are ideal for long-term water containment and industrial waste applications. RPP is perfect for municipal applications, evaporation pond liners, aqua & horticulture, and mine tailings.

EPDM Geomembrane

EPDM (Ethylene Propylene Diene Monomer) geomembrane has a rubber-like texture that makes for its durability, UV-stability, strength, and flexibility. They are ideal for extreme weather conditions and for resisting punctures. EPDM geomembranes are easy to install, typically used as surface barriers for dams, liners, covers, backyard landscape, and other irrigation sites.

Anti-seepage Effect of Geomembrane

Geomembrane is an engineering material usually made of plastic materials such as high-density polyethylene (HDPE). It is widely used in civil engineering and environmental engineering for waterproofing, anti-seepage, isolation, etc. The following are some key points of the anti-seepage effect of geomembrane:

Prevent water penetration
One of the main functions of geomembrane is to prevent water from penetrating into the soil. This is critical to both preventing groundwater erosion of the foundation and slowing the loss of water from the soil.

Creating Waterproof Barriers
Geomembranes are widely used to create waterproof barriers, especially in foundation works of buildings. By covering the soil surface, geomembranes can effectively prevent groundwater or rainfall from passing through the soil and entering the basement or underground space of a building.

Isolate Harmful Substances
Geomembrane can also be used to isolate harmful substances in the soil, such as pollutants, chemical substances, etc. This helps prevent these harmful substances from leaching through the soil into groundwater, protecting water quality.

Improve Soil Stability
The introduction of geomembrane can improve the stability of soil. By preventing water penetration, geomembranes can slow down the softening and expansion of soil and help maintain the mechanical properties of soil.

Responding to Land Transformation
In some land transformation projects, geomembranes can be used to create a barrier layer that prevents moisture from penetrating into specific areas, thereby changing the hydrological and ecological conditions of the land.

Improve Project Life
The use of geomembrane can extend the life of the project. It protects the structural integrity of buildings and infrastructure by reducing the risk of moisture and settlement in foundations.

It is important to note that the effectiveness of a geomembrane also depends on the quality and manner of its installation. Correct installation procedures ensure that the geomembrane can fully perform its anti-seepage and isolation functions. Therefore, in engineering practice, professional civil engineers and construction personnel should select the appropriate geomembrane type according to the specific situation and ensure its correct installation.

Geomembrane Applications

Geomembrane for Pond Liner

Most wastewater treatment plants install geomembrane liners to prevent contaminants from entering the ground and polluting the groundwater. Pond liners also prevent water loss in reservoirs due to seepage. They are also used in applications such as amusement parks, agriculture, aquaculture, golf courses, etc., to prevent water seepage.

Geomembrane for Mining

The geomembrane liner is a barrier to separation and the most important component in the heap leaching process for mining low-grade ores. Geomembranes prevent soil and groundwater contamination by chemical solutions used for low-cost extraction of low-grade ore.

Geomembrane for Secondary Containment

The secondary containment area is a crucial area of protection in the event of a chemical spill. From small tanks to tank farms, geomembrane linings are used to prevent secondary containment. Due to their outstanding chemical resistance, they are also used as spill protection in chemical storage tanks. Knowing the types of chemicals you are dealing with is important before selecting a geomembrane liner to prevent secondary containment. Here, it is essential to study the geomembrane’s mechanical and chemical properties to choose one that fulfils all requirements.

Geomembrane for Canal Liners

Geomembranes are used to control the seepage of water from canals. All geomembranes are generally water-proof materials. You can purchase a geomembrane for canal lining after thoroughly researching the cost, expected seepage, durability and other requirements.

Geomembrane for Oil & Gas Containment

HDPE (high-density polyethylene) has the properties of strong UV/ temperature resistance, durability, and high chemical resistance. Strong chemical resistance properties enable HDPE geomembranes to be the first choice to protect against soil and water contamination around oil and gas refineries, extraction sites, etc. HDPE geomembranes also have a low manufacturing cost and keep the operational budgets within limits.

Geomembranes for Caps and Closures

Geomembranes are also used for landfill caps to prevent fluid flow into the landfill, which generates waste liquid after filling the landfill. Geomembrane caps are designed to trap the gases formed during the decomposition of landfill waste effectively.

The Manufacturing Process of Geomembranes

The manufacturing process of a geomembrane is a very important procedure that needs to be done correctly in order to create a high-quality product. There are many steps involved in the manufacturing process, and each step is crucial to the overall success of the final product. First, the polymer resin is selected based on its chemical properties and compatibility with other materials. Then additives such as UV stabilizers and antioxidants are added to enhance its performance when exposed to sunlight or other environmental conditions. The mixture is then pressure-fed into a die that forms it into thin sheets which can be cut into different sizes depending on their intended application. Finally, quality control tests are performed to ensure that the geomembrane meets applicable standards before they are shipped out for installation.

Geomembranes are Made From a Variety of Materials, Including PVC, HDPE, LLDPE, EPDM, etc.
Geomembranes are used in a range of industries to help contain, protect and separate liquids or particulates. This type of geosynthetic material is constructed from some of the most durable polymers available, such as PVC, HDPE, LDPE, and EPDM. Each geomembrane type has its own benefits depending on specific project requirements. For example, PVC geomembranes boast high resistance to extreme temperatures, can be welded easily with heat-tipped equipment, and provides relatively low permeability even after damages or punctures. Meanwhile, HDPE geomembranes offer excellent chemical compatibility, UV stability, and very high tear resistance while being light enough to make installation much easier. By utilizing these various geomembrane materials together, many projects can include environmental protective coverings that meet both economic effectiveness and strict governmental regulations.

These Materials are Melted and Extruded into Thin Sheets
Geomembrane sheets are a type of geosynthetic product that has revolutionized waterproofing solutions. Through the process of melting and extrusion, these geomembranes can be formed into thin sheets of various widths, creating an effective barrier for water and other liquids for many applications. These geomembrane sheets are mainly used in water-proofing projects, landfills, and ponds, as well as for irrigational, industrial, or agricultural linings and tankers. Due to their durability and low permeability, geomembrane sheets are the preferred choice when it comes to selecting materials for geotechnical-related projects.

The Sheets are Then Cut to Size and Shipped to the Customer
After the geomembrane is installed properly, the sheets that make up its surface are cut to size. Each sheet is individually cut according to the specific dimensions of the ponds, landfills, minings, or dams, ensuring an exact fit. It may require additional cutting or trimming on site, but these minor adjustments are easy when compared to making an entire sheet from scratch. In this way, geomembrane sheets can be delivered quickly and you can start installing them with minimal effort, while your projects will be fulfilled more efficiently than ever.

Installation is Typically Done by Welding or Heat Sealing the Geomembrane to the Desired Surface
Installing geomembranes is a crucial process to ensure their longevity and effectiveness. The most common methods of installation are welding and heat sealing, both of which create a strong connection between the geomembrane and surface for increased durability. Welder operators should be skilled in geomembrane welding techniques in order to make sure the geomembrane is properly sealed to the surface. Heat sealing is often employed when welding isn’t possible, with an automated system that utilizes high-frequency heat presses to form strong seals. With either method, it’s important for professionals performing the installation work to be aware of potential sources of contamination that could affect geomembrane integrity, such as dust or moisture.

Ultimate FAQ Guide to Geomembrane

Q: What is difference between geotextile and geomembrane?

A: Geomembrane is a plastic film, and geotextile is a fiber cloth geotextile, which is used in roads, railways, water conservancy, large buildings, power plant ash dam construction, non-ferrous metal tailings treatment, environmental protection engineering, soil and water conservation, etc.

Q: What is geomembrane used for in civil engineering?

A: The following are uses of geomembranes:
As liners for various waste conveyance canals.
As waterproofing liners within tunnels and pipelines.
As liners for the agriculture industry.
As liners for potable or reserve water (for example, safe shutdown of nuclear facilities).

Q: What is the difference between geomembrane and HDPE?

A: PVC geomembranes are flexible and relatively easy to handle, while HDPE Geomembranes is tough and non-flexible. HDPE geomembranes tend to exhibit a sharp peak in their stress-strain curve and therefore, tend to undergo a relatively abrupt failure whereas PVC undergoes a very large amount of elongation before failure.

Q: What is the life expectancy of a geomembrane liner?

A: HDPE geomembranes are extremely durable products, designed with service lives up to several hundreds of years under ideal conditions.

Q: Why is geomembrane important?

A: Geomembranes can provide a moisture barrier for areas of excessive water, such as clay subsoil, protecting roadways from freezing and softening subsoil damage.

Q: What is the most commonly used geomembrane material used at the bottom of landfills today?

A: HDPE geomembrane is one of the cheapest, most widely used geomembranes made from a blend of polyethylene resins and other additives. They are known for their high strength, low cost, and high chemical resistance, making them suitable for use in various landfills and hazardous materials containment.

Q: What is geomembrane used in road construction?

A: Geotextile is used in erosion and drainage systems, in the construction of roads. Geomembranes - are a synthetic material with low permeability, made of polyethylene and resistant to ultraviolet and chemical substances. Such membranes prevent soil contamination, protect it from soil water.

Q: Does water go through geotextile?

A: When a geotextile membrane is used, water passes through the membrane, but any other debris or larger particles are prevented from entering the drainage system.

Q: Is geomembrane permeable?

A: Geomembranes can be permeable or impermeable. Impermeable geomembranes are often used as a water barrier in hydropower structures, while permeable geomembranes are applied for the seepage water to pass by without taking away the soil. If a geomembrane is associated with a geotextile, it is called "geocomposite".

Q: How thick is geomembrane?

A: A typical geomembrane has the consistency of a thicker garbage bag and is measured to be 60 mils thick. This material, known as 60 mil HDPE, is the industry standard.

Q: What is geomembrane in highway engineering?

A: Geomembranes are synthetic membrane liners or barriers used to control fluid migration in a manmade project, structure, or system. They are made from relatively thin continuous polymeric sheets that are sometimes made from the infusion of geotextiles with asphalt, elastomer, or polymer sprays.

Q: Which is stronger HDPE or UHMW?

A: Both HDPE and UHMW are known for their strength and durability. UHMW's long polymer chains and higher molecular weight allow it to sustain higher impacts and endure more trauma before it begins to wear. When hardness is less of a concern, HDPE is a lighter material that can still handle mild wear.

Q: What is geomembrane made of?

A: Geomembranes are made from relatively thin continuous polymeric sheets, but they can also be made from the impregnation of geotextiles with asphalt, elastomer or polymer sprays, or as multilayered bitumen geocomposites. Continuous polymer sheet geomembranes are, by far, the most common.

Q: How do you install a geomembrane liner?

A: Prepare the Site and Gather Materials.
Lay Out the Geomembrane Sheets. Once the site is prepared and all necessary materials are gathered, it's time to lay out the HDPE geomembrane sheets.
Weld the Sheets Together.
Anchor the Geomembrane to the Ground.

Q: What is the longest lasting pond liner?

A: RPE pond liners are by far the most durable of all of the materials available. Because these liners are reinforced, they are stronger and more puncture resistant than the two other major types of pond liners.

Q: What is PVC geomembrane?

A: PVC geomembrane is a highly flexible thermoplastic waterproofing geomembrane manufactured from a mixture of vinyl compounds, plasticizers, and stabilizers. They are your answer if you need to cover your subgrade fast.

Q: What is a geomembrane liner used for?

A: Geomembrane liners are most commonly used for the primary and secondary containment of hazardous materials. Certain types of facilities such as refineries and airports are required to have secondary containment plans in place to contain fuel, oil, sludge, and other chemicals.

Q: What liner is built under a landfill to catch leachate?

A: The leachate system is surrounded in a by a type of solid drainage layer such as gravel which is enclosed by a geomembrane and compressed clay, also known as a geosynthetic clay liner. This geosynthetic clay liner is usually made of sodium bentonite which is compacted in between two thick pieces of geotextile.

Q: What geomembranes are used in landfills?

A: The term "geomembrane" refers to a specific group of geosynthetics. They are flexible polymeric sheets which can be welded together to form a continuous 'bowl' in a landfill site. Geomembranes are used in a wide variety of civil engineering applications, generally as barriers to moisture and gas flow.

Q: What is EPDM geomembrane?

A: EPDM geomembrane liner is an unreinforced, highly flexible material that is incredibly durable. With a soft rubber-like feel, similar to an inner tube, this UV-stable product has excellent tensile strength, is highly resistant to punctures, ozone, and weathering.

We're professional geomembrane manufacturers and suppliers in China, specialized in providing high quality products with low price. We warmly welcome you to buy geomembrane for sale here from our factory.

Geomembrane, Waterproof Geomembrane Dam Pond Liner