Ⅰ、Classification:
1, shrinking band;
2, heat-shrinkable sleeve;
3, shrink wrapping tape;
4, covering film;
Ⅱ、Use
Widely used in anti-corrosion and anti-corrosion mending adjustable nozzle, bend at the oil, gas, petrochemical, power, metallurgy, water supply and other pipeline.
Ⅲ、Main specifications and technical indicators
1. specifications
|
For diameter |
Substrate thickness (mm) |
Layer thickness (mm) |
|
≤400 |
≥1.2 |
≥0.8 |
|
＞400 |
≥1.5 |
2. Technical
|
No. |
Items |
Unit |
Performance |
Experiment method |
|
|
1 |
Tensile Strength |
Mpa |
≥17 |
GB/T1040 |
|
|
2 |
Elongation at break |
% |
≥400 |
||
|
3 |
Vicat softening point |
℃ |
≥90 |
GB/T1633 |
|
|
4 |
Brittle transition temperature |
℃ |
＜-65 |
GB/T5470 |
|
|
5 |
Electric strength |
MV/m |
≥25 |
GB/T1408 |
|
|
6 |
Volume resistivity |
Ω.m |
＞1×1013 |
GB/T1410 |
|
|
7 |
Environmental Stress Cracking |
h |
≥1000 |
GB/T1842 |
|
|
8 |
Resistance to chemical Corrosion (soak 7d) |
10%HCI |
% |
≥85 |
SY/T4013-95 appendix D |
|
10%NaOH |
≥85 |
||||
|
10%NaCI |
≥85 |
||||
|
9 |
Heat aging (150℃168h) |
Tensile Strength |
|
≥14 |
GB/T1040 |
|
Elongation at break |
|
≥400 |
|||
|
Hot melt glue |
|||||
|
10 |
|||||
