| Certification: | RoHS, ISO |
|---|---|
| Color: | Red |
| Usage: | Optical Cable, Electric Wire |
| 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: |
|
|---|---|
| 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 
|
Property
|
Requirement
|
Test method
|
|
Longitudinal shrinkage
|
≤10%
|
ASTM D 2671
|
|
Tensile strength
|
11MPa min.
|
ASTM D 638
|
|
Elongation at break
|
400% min.
|
ASTM D 638
|
|
Tensile strength after ageing (120ºC,168hrs)
|
≥10 Mpa
|
ASTM D 638
|
|
200% min.
|
ASTM D 638
|
|
|
Dielectric strength
|
19kV/mm min
|
ASTM D 2671
|
|
Volume resistivity
|
1013Ω·cm min.
|
ASTM D 876
|
|
Tracking resistant
|
3.75KV 1Hr
|
ASTM D2303
|
|
low temperature flexibility -40ºC/4hrs
|
No cracking
|
ASTM D 2671
|
|
Type
|
Size |
As supply
(min.)ID (mm)
|
After shrinked
|
Package
(m/roll)
|
|
|
(max.)ID
|
Wall thickness
|
||||
|
AAT
|
30/10
|
30.0
|
10.0
|
2.6
|
1m
|
|
40/12
|
40.0
|
12.0
|
2.6
|
1m
|
|
|
45/16
|
45.0
|
18.0
|
2.6
|
1m
|
|
|
50/20
|
50.0
|
20.0
|
2.6
|
1m
|
|
|
50/20
|
50.0
|
20.0
|
3.3
|
1m
|
|
|
60/22
|
60.0
|
22.0
|
3.3
|
1m
|
|
|
70/25
|
70.0
|
25.0
|
3.3
|
1m
|
|
|
Other sizes are available upon request.
|
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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 wires and cables.
Our company boasts a strong technical force with 20 years of experience and advanced production equipment. We offer heat shrink tubes and insulation tubes made from various materials such as modified PE, PVDF, FEP, EPDM, Silicone, FKM, and PTFE. These products find extensive applications in electronic communication, automobile, high-speed rail, electric motor, aviation, medical, and other industries, providing insulation, water-proofing, electrostatic shielding, oil resistance, chemical resistance, and high-temperature protection.
All our products have obtained UL certification, RoHS compliance, and REACH compliance, ensuring their quality and safety.
We are also capable of producing customized products or developing products with special requirements according to customer needs. Our production processes adhere to the ISO9001 and IATF16949 quality management system standards, guaranteeing the stability and reliability of our product quality.
Shanghai Wellco International Limited is a professional manufacturer based in Shanghai, China. Since 2017, we have been specializing in the production and sales of special heat shrink tubes, heat shrink mold parts, marking sleeves, and cold shrink tubes. With over 20 years of experience in insulation, our founder has established a reputation for delivering high-quality products.
We prioritize quality assurance at every step of the process. Before mass production, we always provide a pre-production sample for approval. Additionally, a final inspection is conducted before shipment to ensure that our products meet the highest standards.
At Shanghai Wellco International Limited, we offer a wide range of products, including heat shrink tubes, heat shrink mold parts, marking sleeves, and cold shrink tubes. Our products are designed to provide reliable insulation and protection for various applications.
When it comes to purchasing insulation materials, there are several reasons why you should choose us:
We offer a range of services to ensure a smooth purchasing experience:
Suppliers with verified business licenses
Audited Supplier 
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