Bentonite Geosynthetic Clay Liner

1. Introduction:

2. GCL is a new geosynthetics which is graded by a natural sodium bentonite particles and corresponding acctive mixed together. By special technology and equipment, the bentonite particles between two layers of geotextile fixed, made of waterproof blanket, with all the characteristics of both the geotextile material, but also has excellent water (infiltration) performance.

3. 2.Features:

4. 1. Improved leakage performance

5. 2. Permanent waterproof performance

6. 3. Simple construction and short time limit for a project.

7. 4. Not influenced by air temperature.

8. 5. A kind of green material and good to environmental protection.

9. 6. More versatile than compacted clay

10. 7. Increased airspace and liner efficiency

3.GCL Technique Data:

Item		Technical Parameters
		GCL-NP	GCL-OF	GCL-AH
GCL,Mass/Unit area (g/m²)		≥4000	≥4000	≥4000
Swell Index (ml/2g)		≥24	≥24	≥24
Absorb Blue Quantity(g/100g)		≥30	≥30	≥30
Tensile Strength (KN/m)		≥600	≥700	≥600
Elongation at Max load %		≥10	≥10	≥8
Peel Strength (N/100mm)	Non-woven geotextile And woven geotextile	≥40	≥40	-
	PE geotextile and Non-woven geotextile	-	≥30	-
Pesitance Hydaulic Pressure (m/s)		≤5.0×10-11)	≤5.0×10-12)	≤1.0×10-12)
Resistance Hydraulic Pressure		0.4 MPa,1h,no leakage	0.6 MPa,1h,no leakage	0.6 MPa,1h,no leakage
Fluid Loss (ml)		≤18	≤18	≤18
Durability of Bentonite (ml/2g)		≥20	≥20	≥20

Note:

GCL- NP means Needle punched process GCL

GCL-OF means Needle punched and cocoon process GCL

GCL-AH means Viscose process GCL

4. Applications:

5. Landfills, Mud Pits, Lagoons, Canals, Bund Lining, Tank Lining, Fish Farm Lining, Roof Lining, Waste Water Pits, Ponds and Reservoirs, Dams Floating Covers, Vertical Cutoff Walls, Hydraulic Structure, Basement Lining, Drip Irrigation Ponds