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ISO Plastic Dowel for Railroad Fastenings With PA66 or HDPE
Specifications
ISO Qualified Plastic Dowel for Railroad Fastenings,Material is PA66 or HDPE
SUYU specialized in producing rail fastening , plastic dowels are our main products , they are pressed in concrete sleeper and assembly with sleeper screws /guide plate /rail clip to fix the rail .the material we use is HDPE & PA66 , with the color white /black /dark brown .
HDPE
| No. | Technique parameter | Unit | Technical requirement | Value |
| 1 | Density | g/3 | 0.95-0.98 | 0.95 |
| 2 | Tensile strength | Mpa | ≥19 | 19 |
| 3 | Elongation | % | >80 | 150 |
| 4 | Melting point | 170-190 | 190 | |
| 5 | Insulation resistance | Ω | ≥1×1010 | 3.5×1010 |
| 6 | Hardness | A | ≥98 | 98(A) |
PA66 : Nylon 66.69%, glass fiber 30%, other 1%
| No. | Technique parameter | Unit | Technical requirement | Value |
| 1 | Density | g/ | 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 | 250—270 | 270 |
