Geosynthetic Clay Liner (GCL) | Geosynthetic Products ...
HAOYANG HYG series GCL geosynthetic clay liners are made by filling high swelling sodium bentonite between layers of a special composite geotextile fabric and non-woven fabric. A special needle punching method locks the sodium bentonite into the woven fabric in the lower layer by punching through the non-woven fabric in the upper layer thus providing both protection and reinforcement of the bentonite.
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