Shandong, China
Business Type:
Number of Employees:
Year of Establishment:
Management System Certification:
ISO9001:2008, ISO14001:2004
OEM/ODM Service
Sample Available

Geosynthetic Clay Layer, Gcl, Building Material manufacturer / supplier in China, offering Bentonite Geosynthetic Clay Liner (GCL), Chopped Strand Mat Fiberglass Tissue 45GSM, Polyester Geogrids for, Railway, Slope, Retaining Wall Reinforced and so on.

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Bentonite Geosynthetic Clay Liner (GCL)

Get Latest Price
Min. Order / Reference FOB Price
1,000 Square Meters US $0.6/ Square Meter
Production Capacity: 50000m2/Day
Transport Package: Each Roll Is Packed with a Woven Bag with Label.
Payment Terms: L/C, T/T, D/P, Paypal, Money Gram, Western Union
Type: Waterproof Roll Material
Ceiling Tile Shape: Roll
Material: PP
Thickness: 4.0mm
Ceiling Tile Type: Polyester
Surface Treatment: Film Coated

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Basic Info

Model NO.: GCL
Function: Anti-static
Certification: CE
Color: White
Usage: Outdoor
Application: River Bank
Trademark: HONGXIANG
Specification: CE SGS
Origin: Made in China
HS Code: 5603119000

Product Description

High quality bentonite waterproof pad(GCL)

Bentonite composite waterproof blanket (GCL) is a new type of geosynthetics. It is inflated by a natural sodium bentonite waterproof blanket spraying to protect the work surface above graded shotcrete waterproof blanket above the work surface protection bentonite particles and the corresponding mixing additives for raw materials, acupuncture technology and equipment, the bentonite particles fixed between the geotextile and plastic woven blanket made of waterproof membrane.

High quality bentonite waterproof  pad (GCL)Specification:


Unit weight4000g/sqmwidth4m~6m

Made from two layers geotextile with natural sodium in the centre
Bentonite Geosynthetic Clay Liner (GCL)


Bentonite Geosynthetic Clay Liner :




Geosynthetic Clay Liners (GCLs) are hydraulic barriers made of clay bonded to a single geosynthetic layer or to multiple geosynthetic layers. Because of its low permeability, swelling capacity and relative abundance, natural sodium bentonite is the preferred clay component of GCLs.

A wide range of materials, including geotextiles and geomembranes, are used to carry and encapsulate the clay. Also, they provide the product with structural support.

GCLs are used primarily as substitutes for compacted clay liners (CCLs), providing significant advantages in cost, ease of installation, and performance.

 High quality bentonite waterproof  pad (GCL) feature:

1)Improved leakage performance

2)Permanent waterproof performance

3)Simple construction and short time limit for project

4)Not influenced by air temperature

5)A kind of green material and good to environmental protection

6)More versatile than compacted clay

7)Increased airspace and liner efficiency


1)Slope protection



Self Healing with consistent thickness throughout provides a higher degree of confidence

Fast and easy to install

Low thickness

High shear strength due to the bentonite being captured within the needle-punched fibres

Uniform distribution of bentonite within the GCL is maintained throughout

The material is fully needle-punched composite which contains highest quality sodium bentonite between two layers of geotextile.

The purpose of the GCL is for the bentonite to swell when hydrated and form a natural hydraulic barrier


3.End Use Application: 


Surface Impoundment
Bentonite Geosynthetic Clay Liner (GCL)
Secondary Containment
Bentonite Geosynthetic Clay Liner (GCL)


GCL for Construction and Real Estate




ml/2g  swell index
≥ 24

≥ 24

≥ 24
≥ 30≥ 30≥ 30
N/100mm tensile strength
≥ 600≥ 700≥ 600
Elongation at max load
≥ 10≥ 10≥ 8
N/100mm peel strength Nonwoven geotextile and woven geotextile≥ 40≥ 40≥ ---

PE geomembrane and Non-woven geotextile ----------≥30----
m/s permeability
≤5.0*10-11≤5.0*10-12 ≤ 1.0*10-12
Resistance hydraulic pressure


0.4Mpa,1h,no leakage

0.6Mpa,1h 0.6Mpa,1h,no leakage0.6Mpa,1h0.6mpa,1h,noleakage
ml   fulid  loss
≤ 18≤ 18≤ 18
Durability of  bemonite(Ml/2g)
≥ 20≥ 20≥ 20


NOTE;GCL-NP Needle punched process GCL

GCL-OF Neddle punched and coated process GCL

GCL-AH:Viswcose pmcess GCL

Application of Geosynthetics 
HydraulicLagooning and Water Treatment, Ornamental Ponds, Golf Courses Aquaculture and Desalination Water LagoonsTanks, Reservoirs, Liquid WasteFloating Cover SolutionsDrainage and FiltrationShading Cover Solutions
EnvironmentTailing ponds, Leach mining,Landfills,Landfill Capping,Protection against corrosion,Vertical Barriers
Civil WorksErosion Control, Secondary Containment, Tunnels,Linear and Surface Works,Consolidation of Margins,Soil Reinforcement,Soil Separation.
BuildingParkings,Roofing,Soundproofing building
Questions and Answers:
Q: Can you accept sample order?
A: Yes, we accept samples with little and reasonable charge.
Q: What is your MOQ?
A: Normally, 5000 m2 per order.
Q: What is your delivery time? Can we short it in 7 days or less?
A: 7 days for sample, 20-25 days for mass production.
Q: What is your payment terms?
A: T/T (Bank surcharge 50$/order), Paypal (3% surcharge), Western Union or 20% deposit 80% L/C.
Q: How can I get my order?How can I know you sent the goods.
A: We will send you the goods by UPS, DHL, Fedex, Oversea Shipment or other forwarder, all with tracking number or B/L.
Q:How about your quality?
A: Try a small order, you will have your own judgment!

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