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Synthetic Rail Sleeper

Longhua Group's New-Type Non-Adhesive One-Time Molding Synthetic Railway Sleepers for Sale!


Our composite railway sleepers are crafted from continuous glass fiber-reinforced polyurethane resin foam, offering exceptional performance with a range of benefits. This innovative material is lightweight yet high-strength, providing excellent durability and resistance to wear. It is also environmentally friendly, with low carbon emissions and easy processing, making installation hassle-free. With a service life of up to 50 years, it serves as the ideal replacement for traditional wooden and concrete sleepers.


Our composite railway sleepers are suitable for a wide range of applications, including urban rail transit, ordinary and heavy railroads, high-speed railroads, vehicle segments, switching areas, bridges, and other track sections. If you want to bulk buy railway sleepers, don't hesitate to contact us directly and get our competitive composite sleepers prices.

Synthetic Rail Sleeper

Advantages of Synthetic Rail Sleeper

  • Superior Thickness & Uniformity:
    Longhua synthetic sleepers are 300mm thick, much greater than the standard 70mm of other global manufacturers, eliminating the need for adhesion processes and ensuring improved uniformity and reliability.

  • Easy Construction:
    Lightweight and high-strength sleepers, easy to transport, cut, and punch on-site, reducing construction time and improving installation precision.

  • High Spike Resistance:
    Exceptional spike resistance guarantees stable and reliable connections between fastener systems.

  • Long Service Life & Maintenance-Free:
    These composite railway sleepers offer excellent aging, weather, and fatigue resistance, ensuring a long-lasting, maintenance-free solution.

  • Insulation & Waterproof:
    Featuring excellent insulation and anti-rust properties, Longhua Kebos synthetic railway sleepers protect against stray currents and water erosion.

  • Repairable:
    Can be repaired on-site with repair agents, providing stronger strength post-repair than the original material.

Synthetic Rail Sleeper

Performance Indicators of Synthetic Rail Sleeper

Main performance of synthetic sleeper for urban rail transportation (CJ/T399-2012/JISE1203-2007)


ItemTechnical Indicator
Bending Strength≥70MP 
Flexural Modulus of Elasticity≥6GP 
Longitudinal Compressive Strength≥40MP 
Shear Strength≥7MP 
Alternating Current Breakdown Voltage≥20k 
Surface Resistivity≥1×1010
Amount of Water Absorption≤10mg/cm 
Flame RetardancyHB 
Withstand Bending Load≥170k 
Screw Spike Pulling Strength≥40k 
Fatigue Resistance105
Density0.74±0.10g/c 

Weatherability 

(Xenon Lamp Illumination for 1000h)

Bending Strength≥50MPa
Flexural Modulus of Elasticity≥4.2GP
Longitudinal Compression Strength≥30MP


Synthetic Rail Sleeper

Advantages of Composite Sleepers Compared to Wooden and Concrete Sleepers

Composite railway sleepers offer a compelling alternative to traditional wooden and concrete sleepers by combining the advantages of both materials while addressing their shortcomings. 


  • Unlike wooden sleepers, which are prone to corrosion, pest infestation, and deforestation, our composite sleepers for sale are made from durable materials - glass fiber-reinforced polyurethane foam, offering an environmentally friendly solution with a longer lifespan. These synthetic railway sleepers are not only lightweight and easy to install but also have a significantly longer lifespan—up to 50 years—making them a cost-effective choice.

  • Concrete sleepers, while durable, lack flexibility and can crack under stress, whereas composite railway sleepers provide the necessary flexibility and strength to withstand seismic activity and extreme weather conditions. 

  • Additionally, composite railway sleepers are lightweight, easy to install using standard woodworking tools, and can be customized without the need for specialized molds, reducing both installation costs and time. 

  • Moreover, composite sleepers require less maintenance, have excellent thermal and electrical insulation properties, and can be reused after minor repairs, making them a cost-effective and sustainable option for modern railway systems.


Looking for a reliable, durable, and eco-friendly solution for your railway needs? Choose Longhua's composite railway sleepers!


Synthetic Rail Sleeper

Showcase of Longhua Synthetic Railway Sleepers

Longhua's composite railway sleepers are widely used across urban rail transit systems in cities throughout China, including Beijing, Taipei, Guangzhou, Shenzhen, Foshan, Chengdu, Chongqing, Guiyang, and Changzhou. They are also implemented in national railways and heavy haul lines such as the Baoji-Chengdu line, Neijiang-Liupanshui line, and Dongying-Shugang railway. Notably, Longhua synthetic railway sleepers have been applied in major national projects with over 7,000 m³ used. Additionally, these sleepers are exported in large quantities to Southeast Asia.

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