What is an EVA rail pad for

EVA Rail Pad is an elastic vibration-damping component installed between the bottom of the rail and the sleeper or rail base. It is primarily used to absorb impact, reduce vibration, protect the rail base, and extend the service life of the track.

 

 

EVA (Ethylene Vinyl Acetate Copolymer) offers excellent elasticity, flexibility, compressive strength, and aging resistance. Because of these superior properties, EVA pads are widely used as a modern alternative to traditional rubber rail pads, becoming an essential part of contemporary railway and crane rail systems.

 

 

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)

 

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The functions of the EVA Rail Pad

 

The main functions of the EVA Rail Pad can be summarized in three aspects.

First, it absorbs impact loads generated by train or crane wheels during operation, minimizing rigid contact between the rail and sleeper, and preventing cracking of concrete sleepers or wear on the rail bottom.

Second, thanks to the inherent damping and sound insulation performance of EVA, it effectively reduces vibration and noise transmission during train operation, improving both the working and living environments around the track area.

Third, the pad helps distribute the load evenly, maintain gauge stability, and enhance the overall elasticity and smoothness of the track structure.

 

 

Compared with traditional rubber pads, EVA rail pads are lighter in weight, lower in cost, easier to process, and maintain stable performance under both high and low temperature conditions. These advantages make them widely used in light rail, metro systems, crane tracks, and heavy-haul railways.

 

 

GNEE RAIL provides a wide range of EVA rail pads with various thicknesses and hardness levels, along with complete railway fastening systems including rail clips, rail bolts, under sleeper pads, and base plates. We not only offer customized production to meet specific rail profiles and load requirements, but also provide track system optimization, installation guidance, and comprehensive after-sales service.

 

If you are looking for a cost-effective and high-performance vibration-damping solution for your rail system, please contact the GNEE RAIL professional team for technical consultation and quotation support.