Geotextile characteristics

October 1st, 2023

Q: I have two nonwoven heat-bonded geotextile filters: one made of polyester and the other made of polypropylene. They look the same but are giving very different hydraulic performance. Can you explain this phenomenon? A: Geotextiles are permeable fabrics consisting of materials such as polypropylene or polyester. Depending on their manufacturing method, nonwoven geotextiles have […]

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Liner materials that can perform in the toughest applications

August 1st, 2022

Q: I am working on a 60 mil (1.5 mm) high-density polyethylene (HDPE) that will receive septage leachate. The pH will be below 5 and probably lower. I am looking for technical literature on liner performance at pH levels possibly as low as 2. Thank you for your assistance. A: There are several options. Due […]

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