Geomembrane is a kind of waterproof barrier material based on polymer. Mainly divided into: LLDPE geomembrane , HDPE geomembrane and EVA geomembrane .
Polyvinyl chloride ( PVC ) plastic sheets forwaterproofing is kind of high polymer material madeof polyvinyl chloride resin adding plasticizer , UVresistance and anti-aging agent using extrusiontechnology .