the specification of composite geo-membrane Geomembrane cloth membrane, also known as two cloths film one film, 0.01-mm high-density geomembrane composite geomembrane on (350g / 1.0mmHDPE & # 47, the thickness of the intermediate impermeable film quality is 1: Both sides of the geotextile (geotextile) mass per unit area is 350 g
