astm standard sodium bentonite GCLs geosynthetic clay liner
Supply Ability
100000 Square Meter/Square Meters per Week geosynthetic clay liner pond
Packaging & Delivery
Packaging Details
astm standard sodium bentonite GCLs geosynthetic clay liner
Packing:as your request or customized
Port
Shanghai/Nanjing
Product Description
Geosynthetic Clay Liners (GCLs) are needle-punched reinforced composites which combine two durable geotextile outer layers with a uniform core of natural sodium bentonite clay to form a hydraulic barrier.
The sodium bentonite clay is a naturally occurring clay mineral that swells as water enters between its clay platelets.
When hydrated under confinement, the bentonite swells to form a low permeability clay layer with the equivalent hydraulic protection of several feet of compacted clay.
Application：Golf course ponds /Stormwater management ponds /Recreational ponds/Landfill cap closures / base liner / Dams/dikes / Vertical trench cutoff Barrier / Groundwater protection cover / Environmental protection barrier under roads and railways / Secondary containment for above ground tanks.
Specs (accept customized):
Thickness: ≥6.4mm
Gram Weight: 4kgs - 6kgs
Width: 3m - 6m
Roll Length: 25m-30m
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Coefficient of expansion
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ASTM D 5890
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≥24mL/2g
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Fluid loss
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ASTM D 5891
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≤18mL
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Bentonite quality per unit area
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ASTM D 5993
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≥4.8kg/Square meter
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tensile strength
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ASTM D 4632
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≥400N
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Peel strength
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ASTM D 4632
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≥65N
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Indicating traffic
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ASTM D 5887
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≤1 by 10 negative 8th power cubic meter/Square meter/sec
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Permeability
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ASTM D 5887
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≤5 by 10 negative 9th power cm/sec
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After soaking tensile strength
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ASTM D 5321
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≥24kPa typical
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