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)
Cheap Price Bentonite Geosynthetic Clay Liner (Gcl) Geosynthetic Clay Liner