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  • Bentonite Composite Waterproof Material
  • Bentonite Composite Waterproof Material

Bentonite Composite Waterproof Material
GCL (Geosynthetic Clay Liner) is a new type of geosynthetics, consisting of a layer of bentonite sandwiched between two layers of geotextiles. It has excellent anti-seepage performance, self-healing ability and durability, and is widely used in various anti-seepage projects.
Mainly composed of bentonite and other materials, it has many advantages:
Excellent waterproof performance: It can effectively prevent moisture infiltration and form a durable and reliable waterproof layer.
Strong adaptability: able to adapt to different terrains and grassroots conditions.
Self repair ability: Small cracks and damages can automatically repair when exposed to water.
This material is commonly used in the following scenarios:
Underground building waterproofing: such as basements, underground parking lots, etc.
Tunnel engineering: ensuring the dryness and structural safety inside the tunnel.
For example, in the construction of a large commercial basement, the use of bentonite composite waterproof materials can ensure that the basement is not invaded by groundwater even under complex geological conditions; In tunnel construction, the use of this material can effectively prevent leakage of tunnel walls and reduce the impact on tunnel structure and functionality.
Phone ：+8613210469718
WhatsApp : +8613210469718
Email : sales@sdyzgeo.com
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Product Details


Projects/ Technical dataSpecifications
GCL-NPGCL-OFGCL-AH
Weight per unit area(g/m2)≥4000g/m2
Bentonie swell index(ml/2g）≥24≥24≥24
Ethylene blue absorption(g/100g)≥30≥30≥30
Tensile strength (N/100mm)≥600≥700≥600
Racking strength(N/100mm)≥40≥40—
(for nonwovwn and woven fabric)
Racking strength(N/100mm)
≥30—
(for HDPE films and nonwoven fabric)
Permeability(m/s)≤5.0x110-11≤5.0x110-11
anti-static water pressur0.4Mpa,1h,0.6Mpa,1h,not seepage
not seepage
filtration loss (ml)≤18≤18≤18
Bentonite durability (ml/2g)≥20≥20

Product Application

Environmental Protection

Landfill Liners & Caps: GCLs are widely used as hydraulic barriers in municipal and hazardous waste landfills to prevent leachate contamination of soil and groundwater.

Containment Systems: They serve as secondary containment for tanks, ponds, and industrial facilities storing chemicals or pollutants.

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Product Application

Water Management

Reservoirs & Canals: GCLs provide seepage control in water storage and transportation structures.

Decorative Ponds & Lakes: Used in artificial water bodies to retain water and prevent leakage.

Mining & Energy

Heap Leach Pads: GCLs act as liners in mining operations to capture toxic solutions (e.g., cyanide or sulfuric acid).

Oil & Gas Facilities: They prevent hydrocarbon leaks in storage areas and tailings ponds.

Product Application
Product Application

Infrastructure & Construction

Tunnel & Underground Works: GCLs provide waterproofing in tunnels and subway systems.

Road & Railway Embankments: Used as moisture barriers to enhance subgrade stability.

Agriculture & Aquaculture

Irrigation Canals: Reduce water loss through seepage.

Aquaculture Ponds: Ensure water retention in fish/shrimp farming ponds.

Product Application
Product Application

Erosion Control

Slope & Landfill Covers: GCLs combined with geotextiles stabilize slopes and prevent erosion.

Product Packaging

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FAQ

Q1. Can you do OEM?

A1. Yes.of course.We can produce the products as per your request.

If you can offer samples to us,it will be more convenient.

Q2.How long does it take for delivery?

A2. Production lead time 5 days, and the delivery time will be discussed in detail according to the specific situation.

Q3. If I want to order a small quantity goods,can you do it?

A3. If the product you need we have stock available,that would be great,you can choose the instock goods.

but if not, don’t worry, we can take your order with our other clients’ order to be produced together.But it needs to wait some time .

Q4. How will you follow my order?

A4. When the goods are started to produce,we will take photos for the goods and send it to you.

If you find any production deficiencies,please contact us to correct it.

We will keep in touch with you in the whole production by e-mail or instant messaging, like Skype/Viber/WhatsApp, you can get the

latest news about your order.

After the goods are finish,we will take photos for the goods and packing to you before shipping.

Q5. What is your exporting countries?

A5. We have good sales performance and win good international reputation in more than 30 Countries and

regions,such as Japan, America, Australia,Russia, Canada,Middle East and so on.

Especially in the Middle East and Australia market.

Q6: Can you arrange the shipment for us?

A6: Yes, Our freight forwarders are through the company tender, signed long-term agreement, Price Service is the best. we have designated sea-freight and railway freight Forwarders with decades of experiences and we can get the best price with earliest vessel and professional services.

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