Bridging the wood gap

Lee, Andrew
February 2005
Engineer (00137758);2/11/2005, Vol. 293 Issue 7668, p34
This article reports that a polymer-wood product said to offer the benefits of wood without the disadvantages of rotting or warping is being used for rail sleepers for the first time in Europe, on Vienna's Zollamt Bridge. New sleepers on the Zollamt Bridge in Vienna are made from a composite called Esion Neo Lumber FFU, also known as polyurethane wood. Polymer wood substitutes tend to be used in less demanding applications, but its developer claimed the material used in Vienna is robust enough to withstand the unique strains of rail tracks.


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