What is the full form of GR pad in railway
Oct 09, 2025
Rail pads are elastic polyurethane mats which are interposed between steel rails and railway sleepers to protect the sleeper top from wearing and impacting.
The starting stiffness of a rail pad is designed to not be high so that their relative deformation under the spring clip toe loads is greatly substantial. In this way, it can guarantees the rail pad maintaining in close contact with the rail despite of any vertical movements of the latter. In addition, the reason why rail pads made up of rubber or plastic is to dampen the shocks of vibration of a passing train.
| Technical Parameter | Unit | Value |
| Stiffness | KN | 90-130 |
| Hardness Shore A | ℃ | 72-80 degree |
| Electronic Resistance | Ω | ≥ 106 |
| Tensile Strength before Aging | Mpa | ≥12.5 |
| Elongation before Aging | % | ≥250 |
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Grooved rubber sole plates, commonly known as GRSP rail rubber pad. The rail pads are a combination of grooved designs and premium quality selected rubbers. This combination makes it highly resilient with anti-weathering properties and increased robustness for railways. The materials used to manufacture rubber pads for railway tracks have proven to be a dynamic force by up to 65%. It has allowed the railways to adopt a higher speed and greater axle loads than before. The grooved rail pads are fit between the rail underside and the sleeper top.
Product Specification
| Drg No | 6mm GRSP-RDSO-RT-3073,RT-3711,RT-4107,RT-4218 60kg Rials 1 in to 12,RT-4865 60kg Rials 1 in 8.5,RT- 198-6203 and RT-6204 etc.. |
| Standard | RDSO |
| Shape | rectangular |
| Application | Industrial |
| Hardness | 75~85 shores A |
| Material | Rubber |
| Minimum Order Quantity | 2500 Piece |
Our rail pads are with high elasticity, applying to types for rails such as rail UIC54, UIC60, BS80lbs,BS100lbs, and sizes as ordered. The pads can be customized with or without grooves, in various possible designs, depending on customers' requirements.
