What are the advantages of using rail rubber pads?
Dec 22, 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.
What are the advantages of using rail rubber pads?
Rail rubber pads offer significant advantages by reducing vibrations, noise, and wear in rail systems, protecting sleepers (ties) from damage, improving track stability, and enhancing passenger comfort through shock absorption and better load distribution, ultimately extending track life and lowering maintenance costs.
| Rubber Rail Pad | ||
| 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 |
- Vibration & Shock Damping: They absorb impacts and dampen vibrations from passing trains, protecting concrete sleepers from fatigue cracking and damage.
- Noise Reduction: By soaking up vibrations, they significantly lower operational noise, benefiting surrounding communities and improving urban environments.
- Extended Track Life: They prevent rail seat abrasion and crushing of the sleeper under the rail foot, reducing wear and extending the service life of the entire track structure.
- Improved Load Distribution: Pads spread the load from the rail foot more evenly over the sleeper, reducing stress concentrations.
- Enhanced Stability & Comfort: They provide a smoother, more stable track surface, contributing to better train stability and a more comfortable ride for passengers.
What is the thickness of the railway rubber pad?
Railway rubber pad thickness varies widely, generally from 5mm to 20mm, but often centered around 6mm-10mm, depending on the application: thinner pads (4.5-7mm) for heavy loads/high speeds (HDPE/EVA) and thicker pads (8-12mm+) for better cushioning/noise reduction on standard/metro lines (rubber/composite). The exact thickness is chosen based on rail type, train speed, weight, and desired vibration dampening.
What are the differences between rubber rail pads and EVA railway pads?
Rubber and EVA (Ethylene-Vinyl Acetate) rail pads both provide crucial cushioning, shock absorption, and electrical insulation, but differ in material properties: Rubber (Natural, SBR) offers superior durability, elasticity, and high-load strength for heavy use, while EVA provides excellent lightweight flexibility, noise reduction, and vibration dampening, often favored for urban or lighter applications, with modern pads often blending these materials for optimal performance.
| EVA: Polyethylene 80%, Vinyl Acetate 20%. | |||
| Technical Parameter | Unit | Technical Requirement | Value |
| Density | g/cm3 | 0.95-0.98 | 0.95 |
| Tensile Strength | Mpa | ≥15 | 16 |
| Elongation | % | >500 | 550 |
| Melting Point | ℃ | 170-190 | 170 |
| Insulation Resistance | Ω | ≥1×1010 | 5.0 ×1010 |
| Hardness | A | ≥90 | 92(A) |
Our EVA/HDPE/rubber 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.
