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  • Bentonite Waterproof Blanket (GCL)
  • Bentonite Waterproof Blanket (GCL)
  • Bentonite Waterproof Blanket (GCL)

Bentonite Waterproof Blanket (GCL)
Bentonite waterproof blanket has the following characteristics:
1. Excellent waterproof and anti-seepage performance: the anti-seepage hydrostatic pressure can reach more than 1.0MPa, and the permeability coefficient is 5×10-9cm/s.
2. Good durability: sodium-based bentonite is a natural inorganic material, which will not undergo aging reaction and will not have adverse effects on the environment. It is an environmentally friendly material.
3. It has all the characteristics of geotextile materials: such as separation, reinforcement, protection, filtration, etc. The construction is simple and not limited by the construction environment temperature. It can also be constructed below 0℃.
4. Easy to repair: After the waterproof construction is completed, if the waterproof layer is accidentally damaged, a simple repair can restore the original waterproof performance.
5. High performance-price ratio: wide range of uses.
6. The product width can reach 6 meters: matching the specifications of international geotextiles (membranes), greatly improving construction efficiency.
7. Not affected by temperature: it will not break brittlely under cold climate conditions.
8. Good integration performance: Sodium-based bentonite has a 20-28 times expansion capacity when in contact with water. Even if the concrete structure vibrates and settles, the bentonite in the GCL can repair cracks on the concrete surface within 2mm.
9. Green and environmentally friendly: Bentonite is a natural inorganic material, harmless and non-toxic to the human body, and has no special impact on the environment.
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)
(for nonwovwn and woven fabric)		≥40≥40—
Racking strength(N/100mm)
(for HDPE films and nonwoven fabric)
≥30—
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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