Geosynthetics®Technical Datapolyfelt.Rock GX501 179 | 11.2004polyfelt.Rock GX are geogrids made from which are coveredwith a black polymeric coating, providing at .high tenacity PET yarnshigh tensile strength low elongation0334-CPD-0001Polyfelt Ges.m.b.H.Schachermayerstr. 18, A-4021 Linz, AustriaTel. +43 732 6983 0, Fax +43 732 6983 5353service@polyfelt.com, www.polyfelt.comSales ...