The main difference between polyethylene and PVC geomembranes is the material from which they are made.
The polyethylene geomembrane is made from high-density polyethylene (HDPE), while the PVC geomembrane is made from polyvinyl chloride (PVC).
PVC is more flexible than HDPE, making it more suitable for applications requiring greater flexibility, such as pond and artificial lake liners.
PVC geomembranes are resistant to a wide variety of chemicals, whereas polyethylene geomembranes are less chemical-resistant and require careful selection of the type of polyethylene to ensure adequate resistance.
PVC geomembranes are more resistant to UV rays than polyethylene geomembranes, making them more suitable for outdoor applications and areas with higher exposure to sunlight.
Polyethylene geomembranes are generally less expensive than PVC geomembranes.
In general, the choice between polyethylene and PVC geomembranes will depend on the specific needs of the project and the available budget. It is important to carefully evaluate the characteristics of each type of geomembrane to determine which is the most suitable for the project in question.
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