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At Shanghai Suyu Railway Material Co., Ltd, we take pride in producing top-quality E type rail insulators and guide plates tailored for both SKL and Nabla rail fastening systems. Crafted from superior PA66 material, available in shades of white, dark brown, and black, our nylon rail insulators serve the dual purpose of precise rail gauge adjustment and providing essential insulation between rails, ties, and clips.
Below we provide a detailed overview of the exceptional material properties of PA66, a key component in our rail insulator products.
PA66 - A Material of Excellence: Composition: 66.69% High-Quality Nylon, 30% Robust Glass Fiber, 1% Other Premium Elements
| No. | Technical Parameter | Unit | Technical Requirement | Value |
| 1 | Density | g/cm | 1.3-1.45 | 1.45 |
| 2 | Tensile Strength | Mpa | ≥170 | 178 |
| 3 | Elongation | % | ≤4.4 | 4.0 |
| 4 | Bending Strength | Mpa | ≥250 | 290 |
| 5 | Impact Strength (No gap) | KJ/m2 | ≥80 | 85 |
| 6 | Melting Point | ºC | 250ºC - 270 | 270 |
| 7 | Insulation Resistance | Ω | ≥1×108 | 5×108 |
| 8 | Glass Fiber Content | % | 30-35 | 35 |
| 9 | Hardness | HRR | ≥110 | 118 |
In unwavering commitment to our 'quality first' policy, SUYU meticulously manages quality control. We proudly hold ISO9001-2008 certification and the prestigious railway product production license granted by China's Railway Ministry. Equipped with a comprehensive set of state-of-the-art inspection instruments, we guarantee our rail nylon insulators not only meet but exceed our customers' stringent quality expectations.
Recognized as a premier rail fastening manufacturer in China, SUYU is also renowned for its extensive range of railway fasteners, which includes track bolts, sleeper screws, track spikes, tie plates, rail clips, elastic rail clips, SKL tension clamps, rail shoulders, and more, all engineered to enhance the integrity and performance of railway infrastructure.
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