China Bentonite Waterproof Gcl

Environmental engineering used anti leakage gcl bentonite waterproofing blanket

Specification:

Unite weight≥4000g/m2, width of 4-6m

Characteristics:

Compared with clay liner, it has the advantage of small size, light weight, good flexibility and seal,easy to construction and suitable for uneven settlement.

Usage:

Mainly used in environment engineering of landfill emissions, underground reservoirs, underground infrastructure construction project,sealing solution, segregation, anti-leakage, good effect, anti-destructive.

GCL(geosynthetic clay layer) Specifications

Item

Technical specifications

GCL-NP

GCL-OF

GCL-AH

GCL, Mass/Unit area(g/m2)

≥4000

≥4000

≥4000

Swell Index(ml/2g)

≥24

≥24

≥24

Methylene blue adsorbed

≥30

≥30

≥30

Tensile strength(KN/m)

≥600

≥700

≥600

Elongation at max load

≥10

≥10

≥8

Peel strength

(N/100mm)

Non-woven geotextile and woven geotextile

≥40

≥40

-

PE geomembrane and Non-woven geotextile

-

≥30

-

Resistance hydraulic pressure

0.4Mpa, 1h, no leakage

0.6Mpa, 1h, no leakage

0.6Mpa, 1h, no leakage

Fluid loss(ml)

≤18

≤18

≤18

Durability of bentonite(ml/2g)

≥20

≥20

≥20

Note: GCL-NP, Needle punched process GCL

GCL-OF, Needle punched and cocoon process GCL

GCL-AH, Viscose process GCL