Specifications
Geosynthetic Clay Liner (GCL): GENERAL SODIUM BENTONITE WATERPROOFING BLANKET(PAD)
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Geosynthetic Clay Liner (GCL) Brief introduction:
- The upper layer is the nonwoven fabric, the middle layer is the impermeable sodium base bentonite, and the bottom layer is the woven fabric
- The nonwoven fabric of the upper is made by the bentonite granule linked with the bottom layer woven fabric through the special craft, the special equipments and the special methods
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Technical data
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GCL-NP
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Unit area quality (g/ m2)
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≥4000 and not less than the regulated value
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Bentonite swell index (ml/2g)
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≥24
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Ethylene blue absorption (g/100g)
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≥30
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Tensile strength (n/100mm)
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≥600
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Tensile stretch under peak load (%)
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≥10
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Cracking strength
The nonwoven and woven fabrics (N/100m)
The PE films and nonwoven fabrics (N/100m)
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≥ 40
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Permeability (m/s)
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≤5.0×10-11
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Anti-static water pressure
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0.4Mpa, 1h
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Filtration loss (ml)
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≤ 18
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Bentonite durable (ml/2g)
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≥ 20
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