High Performance FFU Synthetic Sleeper For Rail Fasteners System
FFU Synthetic Sleeper
FFU Synthetic Sleeper is a type of railway sleeper made from FFU (Fiberglass Reinforced Polymer) synthetic materials. They offer superior performance compared to traditional wooden or concrete sleepers and are also lightweight, eco-friendly, and highly resistant to wear and corrosion. We GNEE rail are experts in railway composite sleepers, specializing in the development of advanced FFU synthetic plastic sleepers that replace traditional wooden ones. Our eco-friendly sleepers conserve wood and protect the environment. They offer waterproof, oil-resistant, and durable properties, with high compressive strength and flexibility. Custom solutions are available. Contact us for more information!
FFU Synthetic Sleeper specification
| No. | Test Item | CJ/T 399-2012 Technical Requirement | JIS E1203 Rrequirement | Unit | GNEE Steel | ||
| 1 | Bending Strength | ≥70 | ≥70 | MPa | 1# | 2# | 3# |
| 124 | 126 | 117 | |||||
| 2 | Flexural modulus | ≥6 | ≥6 | GPa | 4# | 5# | 6# |
| 10 | 11 | 13 | |||||
| 3 | Longitudinal com pression strength | ≥40 | ≥40 | MPa | 7# | 8# | 9# |
| 107 | 50 | 93 | |||||
| 4 | Shear strength | ≥7 | ≥7 | MPa | 10# | 11# | 12# |
| 11 | 10 | 12 | |||||
| 5 | Adhesive shear strength | ≥7(Base-material breakage) | MPa | 13# | 14# | 15# | |
| 10 | 8 | 12 | |||||
| 6 | Water absorption | ≤10 | ≤10 | Mg/cm3 | 16# | 17# | 18# |
| 4 | 3 | 4 | |||||
| 7 | The finished product resists bending load | ≥170 | ≥170 | kN | 19# | ||
| 210 | |||||||
| 8 | Screw spikes pullout strength | ≥40 | ≥30 | kN | 20# | 21# | 22# |
| 44 | 46 | 58 | |||||
| 9 | Mass density | 0.74±0.10 | 0.74±0.10 | g/cm3 | 23# | 24# | 25# |
| 0.72 | 0.65 | 0.68 | |||||
| 10 | Fatigue performance | 105 times,No abnormality | / | 26# | |||
| 105 times,No abnormality | |||||||
| 11 | Flame retardant | After the ignition source is removed, there is no visible flaming or continuous flaming of the sample, but the front of the flame does not exceed the 25mm mark | / | 27# | 27# | 27# | |
| After the ignition source is removed, there is no visible flaming or continuous flaming of the sample, but the front of the flame does not exceed the 25mm mark | After the ignition source is removed, there is no visible flaming or continuous flaming of the sample, but the front of the flame does not exceed the 25mm mark | After the ignition source is removed, there is no visible flaming or continuous flaming of the sample, but the front of the flame does not exceed the 25mm mark | |||||
| 12 | breakdown voltage | ≥20 | ≥20 | kV | 30# | 31# | 32# |
| Thickness: 20mm | Thickness: 20mm | Thickness: 20mm | |||||
| 35 No breakdown | 35 No breakdown | 35 No breakdown | |||||
| 13 | Surfance resistance | ≥1*1010 | ≥1*1010 | Ω | 33# | 34# | 35# |
| 4.1*1015 | 4.1*1015 | 4.9*1015 | |||||
| Remark |
1. Breakdown voltage: Sample size: 100*80*20mm (length*width*thickness), using unequal diameter electrodes in the air, ambient temperature: 20ºC, humidity: 40%. 2. Surface resistance: sample size: 100*100*4mm (length*width*thickness), ambient temperature: 20ºC, humidity: 40%, test voltage: 1000V. |
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