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GCL
GCL

anti-permeability ability, flexibility is good, can accept the uneven settlement foundation, and can prevent loss of earth mater

GCL(Bentonite compound waterproof blanket/(mat) ,the width is up to 6 M , the length is 60 M (according to the customer's requirements), the permeability coefficient 1.25-3.54 x 10-9 CM/S, CBR strength against the broken 1.2 KN, punctured strength 0.34 KN,have the good comprehensive properties. GCL we produce is good quality, anti-permeability ability, flexibility is good, can accept the uneven settlement foundation, and can prevent loss of earth material, and have the good healing ability to crack defects.

 

 

Material property

Test method

Qualification

Bentonite swell index

ASTMD 5890

≥27Ml/2g

Bentonite fiuid loss

ASTMD 5891

≤18mL

Bentonite Mass/Area2

ASTMD 5993

≥4.8kg/m2

GCL Grab strength

ASTMD 4632

≥400N

GCL Peel srength

ASTMD 4632

≥75N

GCL Indes Flux

ASTMD 5887

≤1X10-8/M3/SEC

GCL Permeability

ASTMD 5887

≤5X10-9cm/sec

GCL Hydrated Internal Shear Strength

ASTMD 5321

≥24Kpa typical

GCL

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