Railway Rubber Pad is a critical functional component in the railway track structure, specifically installed between the steel rail and concrete sleeper. It serves as the core transition part connecting rails and sleepers, playing an irreplaceable role in ensuring stable track operation, extending service life, and improving driving safety, which is widely applied in passenger and freight railways, high-cold areas, and small-radius curve sections worldwide.
Our railway rubber pad adopts a blend system of natural rubber and synthetic rubber, combined with carbon black and other reinforcing agents to optimize mechanical properties comprehensively. It strictly complies with the Chinese railway industry standard TB/T2626-1995 (Specifications for Rubber Pads Used Under Railway Concrete Sleepers) and its No.1 Amendment (issued in 2018), ensuring reliable quality and stable performance for long-term outdoor service under harsh working conditions[superscript:4].[superscript:8]
• Shock Absorption & Vibration Isolation: Effectively absorbs and disperses high-frequency impact and vibration generated by train operation, weakens noise, and improves passenger comfort while reducing damage to sleepers and subgrade.
• Sleeper & Subgrade Protection: Avoids rigid contact between steel rails and concrete sleepers, prevents local damage and cracking of sleepers, slows down subgrade settlement and deformation, and reduces maintenance frequency and costs significantly.
|
Parameter Item |
Requirement |
Test Standard/Method |
|
Hardness |
60-80 Shore A |
TB/T2626-1995, GB 531 |
|
Tensile Strength |
≥12 MPa |
TB/T2626-1995, GB 528 |
|
Compression Set (24h) |
≤25% |
TB/T2626-1995 (Appendix) |
|
Low Temperature Brittleness (Special Environment) |
Pass at -40℃ |
GB 1682 |
|
Hot Air Aging (Special Environment) |
Stable mechanical properties after 72h at 70℃ |
GB 3512 |
|
Material System |
Blend of Natural Rubber and Synthetic Rubber, with Carbon Black Reinforcement |
TB/T2626-1995 |