| Application: | Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Insulating Varnish, Switch Baseplate |
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| Type: | Insulation Sleeve |
| Chemistry: | Organic Insulation |
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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 Introducing our high-quality automotive tubing and line protection product, designed to meet the specific requirements of automotive wiring harnesses. Made from a combination of crosslinked modified polyolefin resin and hot melt adhesive, this product offers excellent oil resistance, insulation properties, and flame retardancy, making it ideal for the oil and gas path of cars.
Our automotive tubing and line protection material is not only compliant with RoHS environmental requirements but also meets the rigorous standards of SAE-AMS-DTL25053/4. It has been engineered to withstand harsh environments, providing reliable protection for various applications that demand special protection sites.
Featuring a shrink ratio of 2:1, 3:1, or 4:1, our product offers exceptional oil and chemical resistance, ensuring durability and longevity. It is also low smoke and flame retardant, guaranteeing safety and compliance with industry standards.
With its good flexibility, our automotive tubing and line protection material can easily adapt to different wiring configurations. It has a wide temperature range, allowing for continuous use between -55 ºC and +110 ºC. The shrink temperature ranges from 100 ºC to 140 ºC, ensuring a secure and tight fit.
Trust Shanghai Wellco International Limited for all your automotive tubing and line protection needs. Our product combines superior performance, reliability, and environmental compliance, making it the perfect choice for automotive applications.
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Item
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Test method
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Indicator
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Values
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Tensile strength
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ASTM D638
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≥10.4MPa
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14.1MPa
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Elongation at break
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ASTM D638
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≥200%
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329%
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Cutting modulus
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ASTM D882,2%
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≤172MPa
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153MPa
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Hot shock
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250±3ºC,4hrs
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Without dripping, flowing or crack
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Qualified
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Cold shock
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ASTM D745,-55±2ºC
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No cracking
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Qualified
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Breakdown strength
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ASTM D2671
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≥19.7kv/mm
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26kv/mm
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Volume resistivity
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ASTM D876
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≥1×1012
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3.6×1013
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Thermal aging
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175±2ºC,168hrs
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not drip, not crack
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Qualified
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Tensile strength after aging
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ASTM D638
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≥6.9MPa
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9.5MPa
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Breakdown strength after aging
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ASTM D2671
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≥15.8kv/mm
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24kv/mm
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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 applications, chemical resistance, EMI protection, and mechanical protection for wires and cables.
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, and PTFE. These 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 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 are capable of developing products with special requirements and carry out production according to ISO9001 and IATF16949 quality management system standards. This ensures 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, 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, including:
At Shanghai Wellco International Limited, we offer a range of high-quality products, including:
There are several reasons why you should choose us as your supplier:
We offer a range of services to meet your needs:
Suppliers with verified business licenses
Audited Supplier 
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