It is composed of 3 levels. The upper level and the lower level are
woven geotextile and non woven textile.
The middle level is bentonite grains, which are carefully selected
crude and filled in between the two levels after special processing.
This GCL is a kind of new green waterproof materials, which are
widely applied in many waterproof construction projects.
GCL can be applied separately, or combined with high density
polyethylene (HDPE).
