Applications of Geomembrana 1.5mm of HDPE for The nstraccion. 1.HDPE geomembrane is applicable to environmental protection and sanitation: such as landfill, sewage treatment plant, power plant adjustive pool, industrial, hospital solid waste; 2.HDPE geomembrane is applicable to hydraulic engineering: such as seepage ntrol, plugging, reinforcement for rivers, lakes and reservoirs and da, drainage seepage ntrol, veal re wall, slope protection, etc.