Main features of our company GCLs
a. Environment-preservation
b. Bentonite is one kind of water-proofing material processing of permanence and non-aging properties.
c. Installing facilitately.
d. Installing on the wet foundation directly.
e. Self-repair property TEST METHOD
REQUIRE VALUES
Bentonite Swell Index
ASTM D 5890
24ml/2g min
Water Content(%)
ASTM D 4643
12 max
Bentonite Fluid Loss
ASTM D 5891
18ml max
Tensile Strength
ASTM D 4632
10.5KN min
Peel Strength
ASTM D 4632
65.8N min
Bentonite Mass/m2
ASTM D 5084
5kg/ m2 min
GCLs Permeability(flux index)
ASTM D 5887
5x10-8m3/m2.sec.
Vertically Osmotic Coefficient
ASTM D 5084
5x10-9m/s-