Rail Insulator
We specialize in the production of E-type rail insulators and guide plates, meticulously designed for the SKL rail fastening and Nabla fastening systems. Our insulators, crafted from premium PA66 material, are available in white, dark brown, and black. These high-performance rail nylon insulators serve to adjust rail gauge and provide superior insulation between the rail and ties, as well as clips.
Below are the detailed material properties of PA66.
PA66: Composed of Nylon 66 (69%), reinforced with Glass Fiber (30%), and other components (1%).

Committed to our 'Quality First' ethos, SUYU places paramount importance on quality control management. We proudly hold ISO9001-2008 certification and the production license from China's Railway Ministry for railway products. Our comprehensive suite of inspection instruments guarantees that all our rail nylon insulator products meet the highest standards and conform to customer requirements.
As China's premier manufacturer of rail fastenings, SUYU offers an extensive range of railway fasteners, including track bolts, sleeper screws, track spikes, tie plates, rail clips, elastic rail clips, SKL tension clamps, rail shoulders, and more.