What are the different types of rail rubber pads used in railways?

Jan 09, 2026 Leave a message

What are the different types of rail rubber pads used in railways?

 

what is rail pad?

 

A rail pad is an elastic mat, usually polyurethane or rubber, placed between the steel rail and the sleeper (tie) to absorb shock, dampen vibration, and distribute the load from passing trains, protecting the track structure, reducing noise, and increasing passenger comfort. They prevent wear and tear on the sleepers, extend the life of fasteners, and provide electrical insulation for signaling systems, featuring properties like high elasticity, durability, and resistance to environmental factors.

 

rail fasteners

 

Key Functions:

 

  • Vibration & Shock Absorption: Dampens impacts and vibrations from train wheels, reducing noise and stress on the track components and subgrade.

 

  • Load Distribution: Spreads the heavy load from the rail over a larger area of the sleeper, reducing pressure and preventing fatigue cracking.

 

  • Protects Track Structure: Shields the sleeper (especially concrete ones) and fasteners from abrasion and impact, extending their service life.

 

  • Electrical Insulation: Can provide necessary electrical isolation for track signaling systems.

 

rail fastening

 

what is under rail sleeper pad?

 

Under sleeper pads (USPs) are elastic, cushioning layers placed between railway sleepers (ties) and the ballast (crushed stone bed) to absorb vibrations, reduce noise, protect the ballast from damage, and improve overall track stability and lifespan, especially in areas like tunnels or bridges where the foundation is rigid. They add vertical elasticity, distribute heavy loads more evenly, and can significantly cut down on maintenance costs by preventing ballast degradation and track movement.

 

rail fastening

 

Key Functions & Benefits:

 

 

  • Vibration & Noise Reduction: Dampen structure-borne noise and vibrations from passing trains.

 

  • Ballast Protection: Prevent dynamic loads from crushing the ballast, extending its life and reducing maintenance.

 

  • Track Stability: Increase the elastic properties of the track, leading to better performance and reduced wear.

 

  • Load Distribution: Spread the weight of railcars more evenly across the trackbed.

 

  • Cost Savings: Reduce long-term maintenance needs and enhance asset longevity.

 

rail fastening

 

Technical informations of under sleeper pad
Parameter Specification
Material Devulcanized rubber and Polypropylene
Colour Black
Thickness As needed for the customer specification
Dimensions As per concrete sleeper size
Quantity per sleeper 2 pieces
Density 1168 kg/m³
Cstat 0.15 to 0.32 N/mm³
Environmental impact 95 % recycled - 100 % recyclable

 

what is under ballast mat?

 

Under a ballast mat (UBM) in a railway track is the subgrade, the prepared earth or foundation layer, with the ballast mat itself sitting directly on it, providing a resilient, vibration-dampening, and protective layer between the ballast (crushed stone) and the underlying structure or soil. UBMs act as a spring, absorbing energy from trains to reduce noise, protect the formation, and extend track life, often used in sensitive areas like tunnels, bridges, or near buildings.

 

railway pad

 

Technical specifications of under ballast mat
Parameter Specification
Material Resin bonded rubber
Setup Possible to install in single, double or double plus a bottom stabilisation layer
Thickness Range Single layer of elastomer: 10 to 30 mm
Non-woven protection layer: 1.8 mm
Total system thickness: 11.8 to 51.8 mm
Geometry Flat or wavy
Density Range 710 to 1000 kg/m³
Supply Form Rolls
Joints Not required

 

GNEE RAIL provides exceptional elastic rail pads of various types for high-speed railways, normal-speed railways, and cranes. Especially the rail pads made of rubber, EVA, TPEE, and HDPE are very popular with customers. Our railway rubber pads fit the rails such as UIC54, UIC60, BS80lbs, BS100lbs, etc. We have more than 130set of machines in our production lines which can reach an annual production capacity of up to 2000, 000 pieces of rail pads. We offer a wide range of rail pads and other track materials at competitive prices.

 

Click here to obtain the detailed product catalog of GNEE RAIL.