Under Sleeper Pad USP-7-S-3035

Elastic under sleeper pad made from a blend of polymers with a load spreading ballast protection layer on one side and a Geotextile layer on the other side to allow direct anchoring into new concrete sleepers.

Ballasted track and/or switches, track stabilisation, track quality improvement and ballast anti-attrition protection. Suitable for main line applications.


Physical Properties

Test Method Conditions Data Units
Tensile Strength (Core Material) ISO 37 8.0 N/mm2
Electrical Resistance BS 903pt. C2 500v dc 1012 Ω.cm
Tear Strength (Geofelt Material) 70 N/mm
Pull-out Strength (Pad to Sleeper) 0.7 N/mm2
Static Bedding Modulus, Cstat prEN 16730 250 x 250mm Sample 0.311 N/mm3
Dynamic Bedding Modulus, Cdyn prEN 16730 250 x 250mm Sample at 4Hz 0.358 N/mm3

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