Rail rubber pad (also called rail pad) is made of elastic polyurethane pad and is installed between steel rail and concrete sleeper. It is an important part of the supporting structure of heavy crane rail tracks and railway tracks.
The main functions of the rail pad are: 1. Buffer the high-speed vibration and impact generated by the vehicle passing the rail track 2. Protect the top of the concrete sleeper due to vibration and impact caused by fatigue cracking and wear, and protect the railway subgrade and rail sleeper 3. Let the railway signal system is electrically isolated