| Customization: | Available |
|---|---|
| Certification: | RoHS, ISO |
| Color: | Black |
|
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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
|
|
Size
|
ID as Supplied(mm)
|
After Shrinked(mm)
|
|
|
Minimum Inner Diameter
|
Maximum Inner Diameter
|
Total Wall Thickness
|
|
|
5.08
|
5.08
|
1.27
|
1.40±0.30
|
|
7.26
|
7.62
|
1.65
|
1.50±0.30
|
|
9.02
|
9.02
|
2.29
|
1.50±0.50
|
|
11.56
|
11.56
|
2.54
|
2.30±0.50
|
|
17.78
|
17.78
|
4.45
|
2.50±0.50
|
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, FEP, PTFE, and more. 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.
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 based in Shanghai, China and have been serving customers since 2017.
Our office consists of a dedicated team of 5-10 people, committed to providing high-quality products and excellent service to our customers.
We prioritize quality and ensure that every product meets our standards. We follow a strict quality control process that includes a pre-production sample before mass production and a final inspection before shipment.
At Shanghai Wellco International Limited, we offer a range of products including:
When it comes to purchasing heat shrink tubes and insulation materials, there are several reasons why you should choose us:
We offer a range of services to make your purchasing experience convenient:
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