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contacts：Mr. William Xue
Mobile：0086 13809035906
Phone：0086 25 52285521
Address：NO.63, Yongfeng Road, Hushu Street, Jiangning District, Nanjing, China

Product

Sodium Bentonite Geosynthetic Clay liners

Sanderay® GCL- NP, this most popular type is made by three layers-woven carrier geotextile, benotonite layer in the middle layer, the covering layer is nonwoven fabric, it is always used as a single waterproof or combined with other waterproof barrier applied to basement,landfill, artificial lake, dangerous garbage

Sanderay GCL-NP structure Sanderay GCL-NP

Technical data sheet:

Material property		Unit	Required Value	Testing method
GEOTEXTILE PROTECTION LAYER¹	PP non-woven white	g/m2	210	ENISO9864 or ASTMD5261
GEOTEXTILE CARRIER LAYER¹	PP slit film woven	g/m2	110
BENTONITE LAYER	Sodium Bentonite granule² (0% moisture content)	g/m2	≥3700	ASTM D5993
	Moisture content	%	≤13	ASTM D5993
	Fluid Loss	ml	≤18	ASTM D5891
	Swell Index	ml/2g	≥24	ASTM D5890
MASS PER UNIT AREA (0% moisture content)	Geosythetic clay liner³	g/m2	≥4000	ASTM D5993
BONDING PROCESS		Fully Needle-punched
TENSILE STRENGTH	MACHINE DIRECTION	kN/m	≥10	ASTM D6768
	ACROSSING MD	kN/m	≥10
PEEL STRENGTH		N/m	≥600	ASTM D6496
CBR BURST	STRENGTH	N	≥ 1800	ENISO12236 or ASTMD6241
	ELONGATION	%	≥ 10
PERMEABILITY		m/s	≤5.0X10^-1¹	ASTM D5887
OXIDATION( STRENGTH RETENTION)		%	≥80	ENISO13438
HYDRATED PEAK SHEAR STRENGTH@10kPa PRESSURE		kPa	≥30	ASTMD6243
ROLL SIZE (Length X Width)		(m)	30m X 5m or tailored
EDGE SEALING		Treated During production

Product Characteristics: Cost-effective, low permeability, Self sealing for puncture and cracks, long term service span, environmental and reducing carbon emission,easy for installation.

Application area: underground structure, Ponds, Irrigation tunnel, landfill, solid and liquid waste disposal sites, reservoirs and dams.