Rail Plastic Dowel
Rail plastic dowel, also called rail plastic sleeve, is a counter-party of screw spike. It must be pre-imbedded into the concrete or wooden sleeper and installed together with screw spikes to fasten the rail tracks. The main materials of Xinda rail plastic dowel are PA66 and HDPE.
Xinda Rail is a professional railway fasteners manufacturer and we have been supplier for 50 years. With granted ISO9001-2008 certificate, Xinda Rail can produce many kinds of international standard types of rail fasteners such as AREMA, BS, GB, UIC or DIN.
Advantages of Rail Plastic Dowel
- Good mechanical strength, heat resistance, high wear resistance, rigidity of the plastic casing.
- Simple construction.
- Long service life.
- Improve the durability of the sleeper, insulation, environmental protection level and comprehensive technical and economic index.
Types of Rail Plastic Dowel
PA66 : Nylon 66.69%, glass fiber 30%, other 1%.
No. | Technique parameter | Unit | Technical requirement |
1 | Density | g/cm | 1.3—1.45 |
2 | Tensile strength | Mpa | ≥170 |
3 | Elongation | % | ≤4.4 |
4 | Bending Strength | Mpa | ≥250 |
5 | Impact Strength(No gap) | KJ/m2 | ≥80 |
6 | Melting point | °C | 250°C—270 |
7 | Insulation resistance | Ω | ≥1×108 |
8 | Glass fiber content | % | 30—35 |
9 | Hardness | HRR | ≥110 |
HDPE
No. | Technique parameter | Unit | Technical requirement |
1 | Density | g/ | 0.95-0.98 |
2 | Tensile strength | Mpa | ≥19 |
3 | Elongation | % | >80 |
4 | Melting point | °C | 170-190 |
5 | Insulation resistance | Ω | ≥1×1010 |
6 | Hardness | A | ≥98 |
Rail Plastic Dowel In the Rail Fastening System
In the rail fastening system, the plastic dowel should be pre-inserted into the concrete sleeper separately before assembling the rail fastening system parts. It is used to guarantee the good connection and linkage of the rail fastening system with the concrete sleeper. When we use the rail fastening system, the plastic dowel can performed as the fastening base.
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Rail Plastic Dowels
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