SDU25 Model PA66 Plastic Dowel Plastic And Rubber Part For DHS35 Screw Spike
SDU25 Model PA66 Plastic Dowel Plastic And Rubber Part For DHS35 Screw Spike
Brand: ZhongYue
Material: PA66, HDPE, EVA, Rubber
Type: Rail insulator, guide plate, material is PA66; Plastic dowel, material is PA66 or HDPE; Rail pad, material is EVA, HDPE, or Rubber
Rubber pads for under railroad sleeprs resistant to :
abrasion
oil
ozone
other environmental influences
railway Rubber pads for under railroad sleeprs
Standard : AREA, UIC,BS or other standards or drawings required by clients
Specification: R54 1067mm, R54 1435mm, R60 1435mm.UIC54,UIC60,ZW687
Materials:HDPE,Rubber,
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) |
EVA : polyethylene 80%, Vinyl Acetate 20%
|
No |
Technique parameter |
Unit |
Technical requirement |
Value |
|
1 |
Density |
g/㎝3 |
0.95-0.98 |
0.95 |
|
2 |
Tensile strength |
Mpa |
≥15 |
16 |
|
3 |
Elongation |
% |
>500 |
550 |
|
4 |
Melting point |
℃ |
170-190 |
170 |
|
5 |
Insulation resistance |
Ω |
≥1×1010 |
5.0×1010 |
|
6 |
Hardness |
A |
≥90 |
92(A) |
Rubber
|
No. |
Technique parameter |
Unit |
Value |
|
1 |
Stiffness
|
KN |
90-130 |
|
2 |
Hardness shore A
|
℃ |
72-80degree |
|
3 |
Electronic Resistance
|
Ω |
≥106 |
|
4 |
Tensile strength before aging
|
Mpa |
≥12.5 |
|
5 |
Elongation before aging
|
% |
≥250 |
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