What are the advantages of LLDPE over PVC geomembrane?
• LLDPE has resistance to a wider range of chemicals as compared to PVC. • LLDPE is immune from biological attack by microorganisms. Microorganisms could attack PVC and use the plasticizer as a source of food. • LLDPE is resistant to burrowing animals, PVC is not. • LLDPE has a lower permeability to methane than PVC. • LLDPE has a lower moisture vapor transmission rate than PVC. • LLDPE retains its physical properties due to long-term soil burial. PVC’s physical properties diminish in time due to loss of plasticizer. • LLDPE is resistant to ultra-violet light, PVC is not. • LLDPE remains flexible at temperatures well below freezing at -25°C. PVC loses its flexibility and becomes brittle at -25°C • In what type of projects are Poly-Flex liners used? Poly-Flex geomembranes are used in a variety of applications. Most commonly, in municipal solid waste and hazardous waste landfills, landfill closures, raw water reservoirs, wastewater lagoons, industrial ponds, mining leach pads and ponds,
