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Certification:ISO,DIN,
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 |
|
7 |
Insulation resistance |
Ω |
≥1×108 |
5×108 |
|
8 |
Glass fiber content |
% |
30—35 |
35 |
|
9 |
Hardness |
HRR |
≥110 |
118 |
As a leading manufacturer of rail fastening in China , SUYU also can produce many other railway fasteners , such as track bolt . Sleeper screw . track spike .tie plate .rail clips ,elastic rail clip .SKL tension clamp .rail shoulder and so on .
Sticking to the “quality first” policy, SUYU pays great attention to quality control management. We have granted ISO9001-2000 certificates and have got the production license of China’s Railway Ministry on railway products. We have a full set of inspection instruments which makes sure all the products produced by us should be of high quality and up to customers’ requirements.
SUYU can provide complete set of rail fastening system of SKL14. SKL12 .Elastic rail clip system and Nabal clip system , they all fit for the rail UIC 54 & UIC60 .the rail basic requirement is below .
|
Item |
Description |
|
Designed speed |
min 160 km/h – max 250 km/h |
|
Axial load for line |
25 ton |
|
Width |
1435 mm |
|
Line type |
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