Yakagadzirwa ne polyethylene resin uye ethylene copolymer seyakagadzirwa uye inowedzera zvakasiyana-siyana zvinowedzera.Iine hunhu hwepamusoro anti-seepage coefficient, yakanaka kugadzikana kwemakemikari, kuchembera kuramba, chirimwa midzi yekudzivirira, yakanaka yehupfumi mabhenefiti, kukurumidza kuvaka kukurumidza, kuchengetedza kwezvakatipoteredza uye kwete-chepfu.