... base fabric: needle punched, woven, non-woven, fiberglass mesh 2.synthetic polymers:HDPE, LDPE, CPE, EVA, PVC 3.hot rolling Composite ... while synthetic polymers act as impervious layer. base fabric types: needle punched short geotextile, woven ... seams and cost, shorten manufacture schedule.2) composite geotextile makes better using effects, saves more ... 21.41.6 thermal compound HDPE composite geotextile