A Guide to Polymeric Geomembranes: A Practical Approach

Dr. John Scheirs is a polymer technologist with ExcelPlas Geomembrane Testing Services. He specializes in geomembrane properties, polymer selection, failure analysis and testing and evaluation of geomembrane materials. He has extensive experience in durability testing of many polymeric geomembranes, in addition to routine mechanical analysis, forensic investigation and weld testing of geomembranes and polymeric liners. He has worked widely with HDPE, fPP and PVC membranes. Previously he worked with Exxon-Mobil on the stabilization and long-term durability of HDPE polymers.