| Customization: | Available |
|---|---|
| Certification: | RoHS, ISO |
| Color: | Black |
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Property
|
Requirement
|
Test method
|
Typical data
|
|
Longitudinal shrinkage
|
≤10%
|
ASTM D 2671
|
≤5%
|
|
Tensile strength
|
≥11.7MPa
|
ASTM D 2671
|
≥13 MPa
|
|
Elongation at break
|
≥200%
|
ASTM D 2671
|
≥400%
|
|
Tensile strength after ageing(150ºC,168hrs)
|
≥10.3MPa
|
ASTM D 2671
|
≥12 MPa
|
|
Elongation after ageing (150ºC,168hrs)
|
≥200%
|
ASTM D 2671
|
≥300%
|
|
Heat shock(200ºC,4hrs)
|
No crack
|
ASTM D 2671
|
No crack
|
|
Low-temperature flexibility
(-65ºC,4hrs)
|
No crack
|
ASTM D 2671
|
No crack
|
|
Dielectric voltage withstand
|
2500V,60sec, no
breakdown
|
ASTM D 2671
|
No breakdown
|
|
Dielectric strength
|
11.9 KV/mm min.
|
ASTM D 2671
|
≥16KV/mm
|
|
Volume resistivity
|
109Ω·cm min.
|
ASTM D 876
|
≥1010cm
|
|
Copper corrosion
|
No corrosion
|
ASTM D 2671
|
No corrosion
|
|
Flammability
|
Self-extinguishing
within one minute
|
ASTM D 2671
|
pass
|
|
Fluids resistance (23° C, 24hrs)
|
|||
|
Tensile strength
|
10.3MPa min.
|
ASTM D 2671
|
≥12 MPa
|
|
Elongation at break
|
200% min.
|
ASTM D 2671
|
≥300%
|
|
Dielectric strength
|
7.9 KV/mm min.
|
ASTM D 2671
|
≥12KV/mm
|
|
Size
|
As supplied(mm)
|
After recovered (mm)
|
||
|
Inch
|
mm
|
ID(Min)
|
ID(max.)
|
Wall thicknes
|
|
3/32
|
Φ2.4
|
2.4
|
1.2
|
0.51±0.08
|
|
1/8
|
Φ3.2
|
3.2
|
1.6
|
0.76±0.15
|
|
3/16
|
Φ4.8
|
4.8
|
2.4
|
0.84±0.15
|
|
1/4
|
Φ6.4
|
6.4
|
3.2
|
0.89±0.15
|
|
3/8
|
Φ9.5
|
9.5
|
4.8
|
1.02±0.20
|
|
1/2
|
Φ12.7
|
12.7
|
6.4
|
1.22±0.20
|
|
3/4
|
Φ19.1
|
19.1
|
9.5
|
1.45±0.28
|
|
1
|
Φ25.4
|
25.4
|
12.7
|
1.78±0.28
|
|
1 1/2
|
Φ38.1
|
38.1
|
19.1
|
2.41±0.41
|
|
2
|
Φ50.8
|
50.8
|
25.4
|
2.79±0.41
|
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 insulation, connection, waterproofing, high temperature resistance, chemical resistance, EMI protection, and mechanical protection solutions for wire and cable applications.
With strong technical force and advanced production equipment, we offer a wide range of heat shrink tubes and insulation tubes made from materials such as modified PE, PVDF, FEP, EPDM, Silicone, FKM, FEP, and PTFE. Our products find extensive use 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 passed UL certification, RoHS, and REACH compliance. We also offer customization and development of products with special requirements, adhering to ISO9001 and IATF16949 quality management system standards to ensure stable and reliable 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 office consists of a team of 5-10 people.
We sell our products to various regions around the world. Our main markets include 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%).
To ensure the highest quality, we follow strict quality control procedures. We always provide a pre-production sample before mass production and conduct a final inspection before shipment.
Our product range includes:
When you choose Shanghai Wellco International Limited, you benefit from:
We offer the following services:
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