What environmental protection indicators are required for rail pads?

Dec 23, 2025 Leave a message

Rail Pad is a core component whose performance must be validated through dynamic impact testing. Methods such as drop hammer impact tests (impact energy 5–10 J) and simulated wheel-rail dynamic load tests (20 Hz high-frequency cycling) are used to evaluate its impact resistance and fatigue resistance under real operating conditions. It is required to have a dynamic compression permanent deformation rate of ≤ 10%, ensuring stable cushioning performance under long-term high-frequency vibrations.

 

rail fastening

 

Rail Pads Role and Railway Safety

 

The rail pad, in the early times named sole plate, is used below rail track and concrete. Rail pads are added to reduce fatigue cracking of the concrete ties, by relief impact and vibration from the passing train.

 

rail fasteners

 

It is thought that the rail pads have 2 main functions: they diminish shock or impact loads by providing compliance, and they reduce (by isolation and perhaps by damping) resonant vibrations created in the concrete ties (lowest resonant frequency about 200 Hz) and accommodate vibration deflections in the rail sections between the ties (about 0.12mm amplitude, 1000 Hz).

 

What environmental protection indicators are required for rail pads?

 

For rail pads, environmental indicators focus on minimizing noise/vibration, ensuring durability (less replacement waste), material sustainability (recycled content, non-toxic), and tracking end-of-life recycling, all measured through assessments like Dynamic Stiffness, Track Decay Rate (TDR), material composition (UV/ozone resistance, recycled content), and compliance with standards for noise mitigation, air/water quality, and waste.

 

rail fastening

 

Our EVA/HDPE/rubber rail pads are with high elasticity, applying to types for rails such as rail UIC54, UIC60, BS80lbs,BS100lbs, and sizes as ordered. The pads can be customized with or without grooves, in various possible designs, depending on customers' requirements.

 

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.

 

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.

 

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