Sodium bentonite geosynthetic clay liner Three layers: PP woven geotextile, Sodium bentonite, PP/PET nonwoven geotextile

Sodium bentonite geosynthetic clay liner -GCL

GCL has capacity of saving moisture,its water absorption content and water content can reach over 10 times of own weight.

 

Features:

comparing with geotechnical film, its advantages are mainly shown as following:

It has good tightness, water proof and water isolation performances, bentonite forms dense and non-permeation gel isolation film layer of bentonite under normal water pressure status.

It has long waterproof capacity; bentonite is natural inorganic mine material and will not have corrosion and aging phenomena.

 

We manufacture geosynthetic clay liner(GCL),have three layers for needle punchend,  upper layer is needle punched PP non-woven geotextil, the inside is natural sodium bentonite and bottom is woven geotextile and needle punched together, it has higher waterproof capability for construction, landfill, man-made lake and other projects, our product is warmly welcomed by inernational customers! we provide  professional waterproof technique team and competitive price and best service for you! our sample for 4.5KG is as following:

Date Sheet ofGCL (4.2kg Bentonite)

Property	Test Method	Unit	Value
Geotextile layers:
Cover layer
Geotextile type			Polypropylene nonwoven
Mass per unit area	ASTM D 5261	g/m2	≥220
Carrier layer:
Geotextile type			Polypropylene woven
Mass per unit area	ASTM D 5261	g/m2	≥130
Bentonite layer:
Type			Natural Sodium bentonite
Mass per unit area	ASTM D 5993	g/m2	≥4200
Swell Index	ASTM D 5890	ml/2g	≥24
Fluid Loss	ASTM D 5891	ml	≤18
Water Content	DIN 18121(5hrs, 105)	%	10*
Geosynthetic Clay Liner:
Mass per unit area	ASTM D 5993	g/m2	≥4500
Thickness	ASTM D 5199	mm	6.0
Max. tensile strength	ASTM D 4595	Kn/m	14, Machine Direction 12, Cross Machine Direction
Elongation at break	ASTM D 4595	%	10.0
Max. Peel strength	ASTM D 6496	N/10cm	≥60
Peel strength	ASTM D 6496	N/m	≥360
Permeability/Hydraulic Conductivity	ASTM D 5887	M/s	≤2×10-11
Index Flux	ASTM D 5887	M3/m2.s	≤5×10-9
Puncture force	EN ISO 12236	N	2400

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