China Ce Certificated Swellable Bentomat Water Stop Waterproof Gcl

Environmental engineering used anti leakage gcl bentonite waterproofing blanket

Product Description
Geosynthetic Clay Liner GCL are high performance needle punched environmental reinforced composites which combine two durable geotextile outer layers with a uniform core of natural sodium bentonite clay to form a hydraulic barrier. Fibers from the non-woven geotextile are needle punched through the layer of bentonite and incorporated into the other geotextile (either a woven or non-woven).when hydrated under a confining load, the bentonite swells to form a low permeability clay layer with the equivalent hydraulic protection of several feet of compacted clay.

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.

Typical physical properties:
1. Improved leakage performance
2. Permanent waterproof performance
3. Simple construction and short time limit for a project.
4. Not influenced by air temperature.
5. A kind of green material and good to environmental protection.
6. More versatile than compacted clay
7. Increased airspace and liner efficiency

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