Under Sleeper Pad USP-7-SO-1012

Highly elastic under sleeper pad made from cellular natural rubber 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, or for bonding onto the sleeper with adhesive.

Ballasted track, vibration attenuation, ballast protection, track stabilisation. Suitable for main line applications.


Physical Properties

Test Method Conditions Data Units
Tensile Strength (Core Material) ISO 37 3.0 N/mm2
Elongation at Break ISO 37 250 %
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 0.105 N/mm3
Dynamic Bedding Modulus, Cdyn prEN 16730 250 x 250mm sample, at 4Hz 0.117 N/mm3

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