GCL-NP

GCL-OF

GCL-AH

Weight per unit area(g/m2)

≥4000g/m2

Bentonie swell index(ml/2g）

≥24

≥24

≥24

Ethylene blue absorption(g/100g)

≥30

≥30

≥30

Tensile strength (N/100mm)

≥600

≥700

≥600

Racking strength(N/100mm)

(for nonwovwn and woven fabric)

≥40

≥40

—

Racking strength(N/100mm)

(for HDPE films and nonwoven fabric)

≥30

—

Permeability(m/s)

≤5.0x110-11

≤5.0x110-11

anti-static water pressur

0.4Mpa,1h,

not seepage

0.6Mpa,1h,not seepage

filtration loss (ml)

≤18

≤18

≤18

Bentonite durability (ml/2g)

≥20

≥20