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PW4-LA
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Blackwater Trading Estate United Kingdom Issue: 03 Date: 18.07.13 Page: 1 of 2 PW4- LA is a bi-orientated polypropylene geogrid (TensarTM SSLA30 G) bonded to a PW1 geotextile A reinforced trackbed separator designed where the sub-grade is weak, i.e. Soft and boggy conditions. The structure and composition of PW4 provides a long term mechanical performance and chemical re- sistance, even when used in very aggressive conditions. Improves the load bearing capacity of soil when placed at the base of ballast, constraining the aggre- gate by laterally confining it, providing the necessary support. Manufactured using large aperture bi-axially orientated geogrid developed specifically for railway applications and use under ballast. PW4-LA provides the ideal dimensional characteristics for the effective interlocking of ballast within the geogrid apertures. Network Rail approved PADS No. 057/100779. Test Method 6. PROPERTIES REALTING TO DURABILITY Weathering 50MJ/m2 exposure (1 month EU) Microbiological resistance Resistance to acids & alkalis Oxidation at 85 days (100 years)

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Terram PW4-LA is supplied on cardboard cores and wrapped in Polyethylene sheeting with identification labels in The rolls of geotextile shall be stored on stable/ level ground and stacked not more than five rolls high and no other materials shall be stacked on top. The rolls can be stored outdoors when packaged, but should be protected from exposure to UV. All materials should be stored in accordance with good health and safety practice and in accordance with local laws. For additional information please refer to Terram Geotextiles MSDS. Reported values are arithmetic mean values unless...

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