What is the thickness of railroad pads?

Dec 19, 2025

Rail pad is a kind of rail fasteners used between the rails and the tie plate, and it is usually made of elastic polyurethane mat. It is usually used under the rails and above the tie plate. Rubber rail pad can buffer the shake that the vehicles pushed on the tie plate and protect the tie plate and the sleeper from abrasion and impaction and prolong the service life of other fasteners.

 

What is the thickness of railroad pads?

 

rail fastening

 

Railroad pad thickness varies significantly by application, generally ranging from 5mm to 20mm (about 1/4 to 3/4 inch), with some specialized heavy-duty pads reaching up to 60mm, balancing vibration dampening, noise reduction, and track stability; thicker pads offer more cushioning for heavy loads (like heavy-haul lines), while thinner pads suit lighter urban lines, with common thicknesses being around 8-12mm for general use and 4.5-6mm for thin pads.

 

How to choose the right thickness for a railway pad?

 

rail fasteners

 

Choosing the right railway pad thickness depends on the rail application, balancing vibration dampening with track stability, with thicker pads (12-20mm+) for heavy-haul/ballasted tracks (load absorption) and thinner pads (6-10mm) for high-speed/metro lines (vibration/noise reduction, stability). Key factors are train weight, speed, track type (ballasted vs. slab), and desired noise/vibration control, as thicker pads absorb more shock but thinner pads maintain stability on slab tracks.

 

Is a thicker railway pad always better?

 

rail fastening

 

No, a thicker railway pad isn't always better; thickness must match the specific application, as thicker pads suit heavy loads, high speeds, and vibration damping (like cargo or urban transit) by spreading stress, while thinner pads suffice for lighter traffic, but the wrong thickness (too thick or too thin) can compromise stability and function, requiring matching pad characteristics (elasticity, material) to the track's needs.

 

GNEE RAIL have developed a range of high-performance elastic rail pads for stiffness requirements and various application areas-from trams through standard gauge railways to heavy haul lines, especially those for E-type rail fastening systems and SKL type rail fastening systems with material of HDPE/EVA/Rubber, with following properties respectively.

 

rail fastening

 

Raw Material Rubber, EVA, TPEE, HDPE
Standard UIC, AREMA, TB/T2626-95
Application 43kg/m, 50kg/m, 60kg/m, 75kg/m,115RE, UIC54, UIC60, S49
Model number 43-7-7, 43-10-7, 50-7-9, 50-10-9, 60-10-17, 60-12-17
Operating temperature -50~70 degrees
Certificate MSDS, ROHS, REACH
Notes They should be stored in a clean, ventilated place. Don't be in direct sunlight, and keep away from the heat source and chemical reagent. Don't touch the oil, organic solvent, and other chemicals. Banned exposure.

 

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