| Customization: | Available |
|---|---|
| Certification: | RoHS, ISO |
| Color: | Black, Other Colors Can Be Customized |
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Item
|
Test Method
|
Indicator
|
|
Longitudinal length change rate
|
UL224
|
-10%~0
|
|
Tensile Strength
|
ASTM D2671
|
≥10.4MPa
|
|
Breaking Elongation
|
ASTM D2671
|
≥200%
|
|
Aging Test Of Hot Air
|
158.0ºC±1.0ºC/168h
|
-
|
|
Tensile Strength After Aging
|
ASTM D2671
|
≥7.3MPa
|
|
Elongation At Break After Aging
|
ASTM D2671
|
≥100%
|
|
Volume Resistivity
|
ASTM D876
|
≥1.0x1013Ω· cm
|
|
Withstanding Voltage
|
ASTM D2671
|
2500V,60s,Without breakdown
|
|
Water Absorption
|
ASTM D570
|
≤0.5%
|
|
Thermal shock (applicable to outer layer only)
|
-
|
225ºC,4h,No breakage, no dripping
|
|
Low-temperature resistance (applicable to outer layer only)
|
ASTM D2671
|
No breakage
|
|
Solvent Resistance (diesel lubricating oil)
|
-
|
23ºC,24h,Excellent
|
|
Specification
|
Dimension before shrinkage(mm)
|
Dimension after full contraction (mm)
|
|
|
Minimum inner diameter
|
Minimum inner diameter
|
Total wall thickness
|
|
|
5.75
|
5.75
|
1.25
|
1.45±0.30
|
|
7.40
|
7.40
|
1.65
|
1.55±0.30
|
|
11.0
|
11.0
|
2.40
|
2.35±0.30
|
|
14.0
|
14.0
|
3.00
|
2.30±0.30
|
|
18.3
|
18.3
|
4.35
|
2.35±0.30
|
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, FEP, PTFE, and more. These 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. Our products have obtained UL certification, RoHS compliance, and REACH compliance.
In addition to our standard product range, we also offer customization options to meet specific customer requirements. We adhere to ISO9001 and IATF16949 quality management system standards during production to ensure 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 based in Shanghai, China and have been serving customers since 2017. Our office consists of a dedicated team of 5-10 people.
We prioritize quality and ensure it through various measures:
At Shanghai Wellco International Limited, we offer a range of high-quality products:
There are several reasons why you should buy from us:
We offer the following services:
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