GeoKrete® Geopolymer Passes Critical Test for Products Used in Repair or Renovation of Sewer Infrastructure

This test was created by the Hamburg Society for urban drainage to ensure mineral based repair and renovation products meet a minimum standard of resistance for biogenic acid corrosion. “Historically the assumption has been that all mineral based materials get more or less destroyed by sulfuric acid and are only permanently resistant to corrosion in a pH range of 3.5 or greater,” stated Neil Wisener, President of Quadex LLC, and one of the Vortex Companies.

“Having GeoKrete meet all requirements of the DIN 19573 standard for WXX4, which is the highest acid resistance category, is not only great news for us, but great for the sewer rehabilitation industry as well.”

In order to comply with DIN 19573, in all testing phases, GeoKrete possessed a relative residual compressive strength greater than 55% for pH0, and greater than 75% for pH1. “We’re excited to have a geopolymer product that will serve the demanding sewer rehabilitation needs in Europe,” added Mr. Wisener. “Effective sulfuric acid resistant solutions are hard to come by, and now we are in position to make GeoKrete available abroad.”

“The results of this test allow us to continue our expansion into the European and International markets,” stated Mike Vellano, CEO of the Vortex Companies. “We are anxious to meet with qualified contractors interested in adding GeoKrete to their product and solution offering.”

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