| Certification: | RoHS, ISO |
|---|---|
| Color: | Black |
| 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: |
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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 
| Materials | Cross-linked modified polyolefin |
|---|---|
| Application | Designed for electrical splices, cable terminations, and joints |
| Features |
|
|
Property
|
Test Method
|
Typical Data
|
|
Tensile strength
|
ASTM D 2671
|
≥14MPa
|
|
Tensile strength after aging(158°C/168 hrs.)
|
ASTM D 2671
|
≥12 MPa
|
|
Elongation at break
|
ASTM D 2671
|
≥400%
|
|
Elongation at break after aging(158°C/168 hrs.)
|
ASTM D 2671
|
≥300%
|
|
Longitudinal shrinkage
|
UL 224
|
0 to -10%
|
|
Density
|
ASTM D 792
|
1.05g/cm3
|
|
Dielectric strength
|
IEC 243
|
≥20 kV/mm
|
|
Volume resistance
|
IEC 93
|
≥10 14 Ω.cm
|
|
Eccentricity
|
ASTM D 2671
|
<30%
|
|
Copper stability
|
ASTM D 2671
|
Pass
|
|
Resistance to stress cracking
|
ASTM D 1693 (50°C)
|
No Cracking
|
|
Water absorption
|
ISO 62 (23°C/14 days)
|
<0,15%
|
|
Thermoplastic adhesive for MTA
|
||
|
Water absorption
|
ISO 62
|
<0.2%
|
|
Softening point
|
ASTM D E28
|
85°C
|
|
Peel strength (PE)
|
DIN 30672
|
4N/cm
|
|
Copper stability
|
ASTM D 2671
|
Non-corrosive
|
|
Resistance to fungus and decay
|
ISO 846
|
Pass
|
|
Size
|
as supplied
|
after recovery
|
Standard length
|
|
|
Min. inside Diameter
|
Max. inside Diameter
|
Min.Wall thickness
|
||
|
19/3.2
|
9
|
3.2
|
3.2
|
1.22m/pcs
|
|
33/5.5
|
33
|
5.5
|
3.4
|
1.22m/pcs
|
|
44.4/7.4
|
44.4
|
7.4
|
3.6
|
1.22m/pcs
|
|
50.8/8.3
|
50.8
|
8.3
|
4.8
|
1.22m/pcs
|
|
69.8/11.7
|
69.8
|
11.7
|
4.8
|
1.22m/pcs
|
|
88.9/17.1
|
88.9
|
17.1
|
4.8
|
1.22m/pcs
|
|
119.4/22.9
|
119.4
|
22.9
|
4.8
|
1.22m/pcs
|
Shanghai Wellco International Limited is a professional team with 18 years of experience in R&D, production, and sales of special heat shrink tubes and other radiation crosslinking materials. We specialize in 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.
With a strong technical force 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. Our products find extensive applications 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 passed UL certification, RoHS, and REACH standards.
We also specialize in producing customized products and developing products with special requirements based on customer needs. Our production processes adhere to ISO9001 and IATF16949 quality management system standards, ensuring the stability and reliability of 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%). Our team consists of 5-10 dedicated professionals.
We prioritize quality and ensure that our products meet the highest standards. We conduct a pre-production sample before mass production and perform a final inspection before shipment to guarantee the quality of our products.
At Shanghai Wellco International Limited, we offer a wide range of products, including heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes. Our products are designed to provide effective insulation and meet the diverse needs of our customers.
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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