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RSFR-TLG—Heat shrink tubing for railway track slabs
RSFR-TLG—Heat shrink tubing for railway track slabs
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Application areas:
Used for insulation protection and electromagnetic shielding of track slab reinforcement in railway construction, subway and intercity rail transit construction.
Product Description
The heat shrink tubing for railway track slabs is made of radiation-crosslinked environmentally friendly polyolefin heat shrink material, offering advantages such as stable insulation performance, high mechanical strength, and good aging resistance. It is used for insulation protection and electromagnetic shielding of track slab reinforcement in railway construction, subway, and intercity rail transit construction.
Heat shrink ratio: 2:1
Initial shrinkage temperature: ≥ +70 ℃
Full shrinkage temperature: ≥ +125 ℃
Operating temperature: -55 ℃ ~ +125 ℃
Semi -hard wear-resistant, high insulation, shielding, bright color, stable performance.
Environmental Standards: RoHS
Standard color: Black
Product Parameters
|
performance |
index |
Test methods |
|
Average thickness |
0.9±0.15 mm |
calipers |
|
density |
1.0 g/ cm³ |
ASTM D 792 |
|
Water absorption rate |
< 0.2% |
ASTM D 570 |
|
Axial change rate |
< 5% |
ASTM D 2671 |
|
Tensile strength |
> 22 MPa |
ASTM D 2671 |
|
Elongation at break |
> 600% |
ASTM D 2671 |
|
Tensile strength after heat aging |
> 21 MPa |
158 ℃ × 168h |
|
Elongation at break after heat aging |
> 600% |
158 ℃ × 168h |
|
Tensile strength after thermal shock |
> 21 MPa |
200 ℃ ×4h |
|
Breakdown strength |
> 30kV/mm |
IEC 60243 |
|
Volume resistivity |
> 10 14 Ω.cm |
IEC 60093 |
Product Selection
|
Specification |
Supply inner diameter (mm) |
Average wall thickness (mm) |
tubular |
|
Φ10 |
10.0±1.0 |
0.90±0.15 |
oval |
|
Φ12 |
12.0±1.0 |
0.90±0.15 |
oval |
|
Φ14 |
14.0±1.0 |
0.90±0.15 |
oval |
|
Φ16 |
16.0±1.0 |
0.90±0.15 |
oval |
|
Φ18 |
18.0±1.0 |
0.90±0.15 |
oval |
|
Φ20 |
20.5±1.0 |
0.90±0.15 |
oval |
|
Φ22 |
22.5±1.0 |
0.90±0.15 |
oval |
|
Φ24 |
24.5±1.0 |
0.90±0.15 |
oval |
dd
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