What type of Rail Fastening are Rubber Rail Pads commonly used with?
Rubber rail pads are typically used with various mainstream rail fastening systems to form complete elastic support systems. In concrete sleeper tracks, the pads primarily work in synergy with E-clip fastening systems, where the vertical pressure from the clips and the elastic deformation of the pads collectively achieve track fixation and vibration damping. The pads are placed between the rail base and the sleeper bearing platform, while the clips provide necessary clamping force. This configuration is widely used in high-speed railways and heavy-haul lines. Another common combination is with SKL clip fastening systems, where the pads not only provide vibration damping but also ensure track circuit insulation through coordination with insulating gauge blocks.
| 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 |
Rail pads for E-type rail fastening systems
Rail rubber pads used for E-type rail fastening systems are with the similar functions of the rail insulators to insulate the rail above it from the tie sleepers lied below it, for effective protection against vibration and structure-borne noise as well. The rail pad works together with e-clips, rail insulators/insulated gauge blocks and rail shoulders/embedded parts to form a whole set of E-type rail fastening system.
Rail pads for SKL rail fastening systems
A rail pad in a SKL rail fastening system is a small but crucial fastener part, working together with SKL clips, screw spikes, plastic dowels, guide plates and so on. The elastic rail pads we produce possess a defined stiffness and demonstrably increase the elasticity of the track superstructure. With a higher level of elasticity, it contributes towards quiet running of the rolling stock, to meet today's acoustic requirements on railway lines.
In specialized track systems, the pads are also used with Nabla fastening systems, where the unique wedge structure complements the compression characteristics of the pads to effectively control longitudinal rail displacement. For KPO-type fastenings, pad thickness and stiffness require specialized design to match the system's particular clamping mechanism. In slab track structures, the pads combine with embedded cast iron seats or composite material baseplates to form multi-layer vibration damping systems.
GNEE RAIL's rubber rail pad product line covers global mainstream fastening standards and can provide precise adaptation according to different system interface requirements. We pay special attention to the geometric matching between the pads and fastening contact surfaces to ensure uniform load transfer. Simultaneously, we offer customization services to adjust pad structural parameters for special fastening models, achieving optimal system performance.
