bentonite geosynthetic clay liner

Technical data

GCL-NP

Unit area quality (g/ m²)

≥4000 and not less than the regulated value

Bentonite swell index (ml/2g)

≥24

Ethylene blue absorption (g/100g)

≥30

Tensile strength (n/100mm)

≥600

Tensile stretch under peak load (%)

≥10

Cracking strength

The nonwoven and woven fabrics (N/100m)

The PE films and nonwoven fabrics (N/100m)

≥ 40

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Permeability (m/s)

≤5.0×10^-11

Anti-static water pressure

0.4Mpa, 1h

Filtration loss (ml)

≤ 18

Bentonite durable (ml/2g)

≥ 20