Customization: | Available |
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Flexibility: | Flexible |
Maximum Voltage: | <10KV |
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Property
|
Requirement
|
Test method
|
Typical data
|
Longitudinal shrinkage
|
≤10%
|
ASTM D 2671
|
≤5%
|
Tensile strength
|
≥8.2MPa
|
ASTM D 2671
|
≥12 MPa
|
Elongation at break
|
≥250%
|
ASTM D 2671
|
≥400%
|
Elongation after ageing
(250ºC,168hrs)
|
≥200%
|
ASTM D 2671
|
≥300%
|
Heat shock(300ºC,4hrs)
|
No crack
|
ASTM D 2671
|
No crack
|
Low-temperature
flexibility(-55ºC,4hrs)
|
No crack
|
ASTM D 2671
|
No crack
|
Dielectric voltage
withstand
|
2500V,60sec, no
breakdown
|
ASTM D 2671
|
pass
|
Dielectric strength
|
7.9 KV/mm min.
|
ASTM D 2671
|
≥12 KV/mm
|
Volume resistivity
|
109Ω·cm min.
|
ASTM D 876
|
≥109Ω·cm
|
Corrosion
|
No corrosion
|
ASTM D 2671
|
pass
|
Flammability
|
Self-extinguishing within 15s
|
ASTM D 2671
|
pass
|
Fluids resistance (23ºC ,24hrs)
|
|||
Tensile strength
|
8.2MPa min.
|
ASTM D 2671
|
≥12 MPa
|
Elongation at break
|
250% min.
|
ASTM D 2671
|
≥400%
|
Size
|
As supplied(mm)
|
After recovered (mm)
|
|
Inch
|
mm
|
diameter(Min)
|
diameter(max.)
|
3/32
|
Φ2.4
|
2.4
|
1.2
|
1/8
|
Φ3.2
|
3.2
|
1.6
|
3/16
|
Φ4.8
|
4.8
|
2.4
|
1/4
|
Φ6.4
|
6.4
|
3.2
|
3/8
|
Φ9.5
|
9.5
|
4.8
|
1/2
|
Φ12.7
|
12.7
|
6.4
|
3/4
|
Φ19.1
|
19.1
|
9.5
|
1
|
Φ25.4
|
25.4
|
12.7
|
1 1/2
|
Φ38.1
|
38.1
|
19.1
|
2
|
Φ50.8
|
50.8
|
25.4
|
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 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. Our products have obtained UL certification, RoHS compliance, and REACH compliance.
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 operating 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 every product meets our high standards. We conduct a pre-production sample before mass production and a final inspection before shipment.
Our product range includes:
When you choose Shanghai Wellco International Limited, you benefit from:
We offer the following services: