WJ-8 Rubber Pad

The WJ-8 Rubber Pad is a high-quality elastic component specifically designed for the WJ-8 rail fastening system, providing excellent vibration isolation, load distribution, and protection for rail infrastructure. Positioned between the rail base and the sleeper, it functions as a key buffer layer that absorbs impact and dynamic forces generated during train operation. Manufactured from premium natural and synthetic rubber compounds, the pad delivers outstanding elasticity, durability, and resistance to compression, aging, and environmental wear.

Produced through precision vulcanization and molding processes, each WJ-8 Rubber Pad offers consistent hardness, thickness, and dimensional accuracy, ensuring reliable performance and easy compatibility with WJ-8 fastening assemblies. Its robust design effectively minimizes stress transfer to sleepers and ballast while maintaining stable track geometry. The pad performs reliably under high-frequency dynamic loads and harsh weather conditions, including extreme heat, cold, and humidity. Available in multiple sizes and hardness grades, it can be customized to meet specific project requirements and operational standards.

Function & Application
The WJ-8 Rubber Pad plays an essential role in improving the stability, safety, and longevity of railway track systems using the WJ-8 fastening type. Its primary function is to provide elasticity between the rail and the sleeper, effectively reducing vibration, impact, and noise caused by wheel-rail interaction. By evenly distributing vertical and lateral loads, the pad prevents localized stress concentration, reducing the risk of sleeper cracking, rail fatigue, and fastening loosening over time.

Additionally, the pad enhances the damping characteristics of the track structure, improving passenger comfort and reducing maintenance frequency. Its high mechanical strength and anti-slip surface ensure a secure fit beneath the rail, preventing movement or displacement under continuous vibration and heavy axle loads. The WJ-8 Rubber Pad also helps maintain precise rail alignment, ensuring smooth and stable train operation while extending the service life of other fastening components.

This product is widely used in high-speed railways, heavy-haul freight lines, metro systems, light rail, and standard mainline tracks equipped with WJ-8 fastening systems. It is compatible with concrete, wooden, and composite sleepers, offering flexibility for various installation conditions. Easy to install and replace, the pad does not require special tools and can be fitted during both initial track construction and routine maintenance activities.

Complying with international standards such as UIC, AREMA, and EN, the WJ-8 Rubber Pad can be tailored in hardness, thickness, and material formulation to meet diverse engineering and environmental requirements. Its eco-friendly and recyclable materials support sustainable rail development by reducing environmental impact and extending track service life.

In summary, the WJ-8 Rubber Pad is a vital component that enhances the overall performance of WJ-8 fastening systems. Combining superior elasticity, wear resistance, and long-term stability, it ensures smoother train operation, reduced vibration, and lower maintenance costs. With its proven reliability and customization options, the WJ-8 Rubber Pad represents an ideal solution for modern, efficient, and sustainable railway infrastructure worldwide.

I. Overview of Railway Track Padding

Rubber track pads (hereinafter referred to as “rubber pads”) are critical components in railway track structures. Installed between rails and concrete sleepers, their primary functions include:

- Absorbing high-speed vibrations and impacts generated by passing vehicles to protect the subgrade and sleepers

- Providing electrical insulation for signaling systems Additionally, due to prolonged exposure to atmospheric conditions, rubber pads must exhibit excellent resistance to natural aging, cold temperatures, and heat. Rubber pads used in subways feature superior vibration damping and low-noise performance.

II. Characteristics of Railway Track Padding

1. Strong shock absorption, anti-aging properties, wear resistance, stability, and resistance to high and low temperatures. Products combine natural rubber, styrene-butadiene rubber, neoprene, HDPE, EVA, and high-density polyethylene. They exhibit high elasticity and resist deformation or fracture across various temperatures.

2. Extended service life with low maintenance and replacement costs.

3. Comprehensive range of models suitable for laying various rails (43kg, 50kg, 60kg) and sleepers (wooden, concrete).

4. Excellent load-bearing capacity, vibration damping, and insulation properties. Highly wear-resistant with minimal compression deformation, superior rigidity, aging resistance, and no mud displacement. Long service life and easy installation. Railway rubber pads significantly enhance rolling stock transport capacity, reduce crossing maintenance frequency, and prevent traffic accidents caused by stalled vehicles.

5. Rubber pads offer a service life exceeding three times that of traditional track plates. Testing confirms stable performance without deformation under applied pressures exceeding 80 tons. Manufactured primarily from rubber using scientific formulations and advanced production techniques, these pads meet railway speed enhancement and environmental requirements while boosting locomotive transport capacity.

Our factory is equipped with multiple guide rail pad production lines featuring machinery for machining, injection molding, rubber refining, vulcanization, forming, and inspection. We have our own rail pad development engineers, designing, producing and inspecting. What’s more, rail pads for high-peed rail are our featured products, including both the elastic rubber plates and height adjustment pads.

The Following are Rubber Rail Pads Parameters：