| Certification: | RoHS UL |
|---|---|
| Color: | Black White Yellow Blue Red Green |
| Usage: | Optical Cable |
| Samples: |
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier 
Material: Cross-linked modified polyolefin
Operating temperature: -55ºC~125ºC
Minimum shrink temperature: 70ºC
Minimum fully recovery temperature: 120ºC
Shrink ratio: 2.5:1
Features:
Application: Gas Pipe Heat shrink tube
For more information, please visit Shanghai Wellco International Limited.
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Item
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Specification
|
Typical Data
|
|
|
Longitudinal Change(%)
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≤5 %
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≤5 %
|
|
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Tensile Strength (MPa)
|
≥10.4
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15.2
|
|
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Ultimate Elongation (%)
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≥200
|
596
|
|
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Ageing in circulating-air oven
|
158 ºC 168hrs
|
||
|
After aging
|
Tensile Strength(MPa)
|
≥7.3
|
10.7
|
|
Ultimate Elongation(%)
|
≥100
|
381
|
|
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Volume Resistivity (Ω.cm)
|
≥1014
|
4.5×10^14
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|
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Dielectric Strength (KV/mm)
|
≥15
|
18
|
|
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Flammability
|
VW-1
|
VW-1
|
|
|
Concentricity(%)
|
≥65
|
75
|
|
|
Printability
|
Good
|
||
|
Size
|
ID before shrinked
|
ID After Shrinked
|
Wall after shrinked
|
|
23.5/9.5
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≥23.5
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≤9.5
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0.70
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27.5/12.7
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≥27.5
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≤12.7
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0.70
|
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31.0/12.7
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≥31.0
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≤12.7
|
0.70
|
|
40.0/19.0
|
≥40.0
|
≤19.0
|
0.70
|
|
51.0/25.4
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≥51.0
|
≤25.4
|
0.80
|
|
65.0/32.5
|
≥65.0
|
≤32.5
|
1.00
|
|
77.0/38.0
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≥77.0
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≤38.0
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1.00
|
With 18 years of experience, Shanghai Wellco International Limited is a professional team specializing in the research and development, production, and sales of special heat shrink tubes and other radiation crosslinking materials. Our focus is on providing a wide range of products and solutions for insulation, connection, waterproofing, high temperature resistance, chemical resistance, EMI protection, and mechanical protection for wire and cable applications.
Our company boasts a strong technical force with 20 years of experience and advanced production equipment. We offer a variety of heat shrink tubes and insulation tubes made from materials such as modified PE, PVDF, FEP, EPDM, Silicone, FKM, and PTFE. These products find extensive use in electronic communication, automobile, high-speed rail, electric motor, aviation, medical, and other industries. They provide insulation, water-proofing, electrostatic shielding, oil resistance, chemical resistance, and high-temperature protection. Our products have obtained UL certification, RoHS compliance, and REACH compliance.
In addition to our standard product range, we also offer customization and development of products with special requirements based on customer needs. Our production processes adhere to the ISO9001 and IATF16949 quality management system standards, ensuring the stability and reliability of our product quality.
Shanghai Wellco International Limited is a professional manufacturer of special heat shrink tubes and other radiation crosslinking insulation materials. With over 20 years of experience in insulation, we are dedicated to providing high-quality products to our customers.
We are based in Shanghai, China and have been in operation since 2017. Our products are sold worldwide, with a focus on North America (20.00%), South Asia (20.00%), Southeast Asia (15.00%), Western Europe (15.00%), South America (5.00%), Eastern Europe (5.00%), Mid East (5.00%), Northern Europe (5.00%), Eastern Asia (3.00%), Domestic Market (3.00%), Southern Europe (2.00%), Africa (00.00%), and Central America (00.00%).
We prioritize quality and ensure it through various measures:
Our product range includes:
When you choose us as your supplier, you benefit from:
We offer the following services:
Suppliers with verified business licenses
Audited Supplier 
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