Ndi betonite geo-synthetic chotchinga madzi. Imadzimangirira yokha ndikudzisindikiza yokha ku konkriti kapena zomanga zina. Zimapangidwa ndi geotextile yopanda nsalu, yosanjikiza yachilengedwe ya sodic bentonite, yokhala ndi kapena yopanda pe geomembrane wosanjikiza, ndi pepala la polypropylene. Zigawozi zimagwirizanitsidwa ndi nthiti wandiweyani zomwe zimapangitsa kuti bentonite ikhale yodziletsa yokha ndi kuwonjezereka kolamulidwa. Ndi dongosolo lino n'zotheka kupewa kutsetsereka ndi kudzikundikira bentonite monga chotsatira cha mabala, misonzi, ofukula ntchito ndi kayendedwe. Kuchita kwake kumatha kukumana kapena kupitilira GRI-GCL3 ndi muyezo wadziko lathu JG/T193-2006.