| Application: | Insulators, Electrical Winding Insulation, Winding Wire Coating Insulation, Electrical Base, Shell, Motor, Insulating Varnish, Switch Baseplate, Designed for The Auto Wire Harness |
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| Type: | Insulation Sleeve & Tube |
| Chemistry: | Organic Insulation |
| Samples: |
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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 The W-DW(WSB) Dual Wall for Wire Harness Splice Black is a high-quality product designed by Shanghai Wellco International Limited. It is specifically designed for use in automobile wire harnesses, offering excellent leakproofness, oil resistance, and insulativity. This product is also compliant with the environmental requirements of RoHS.
This product is widely used in the production of various automobile wire harnesses due to its excellent mechanical properties. It provides reliable performance and ensures the durability of wire connections.
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Item
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Test Method
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Indicator
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Longitudinal length change rate
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UL224
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-10%~0
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Tensile Strength
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ASTM D2671
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≥10.4MPa
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Breaking Elongation
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ASTM D2671
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≥200%
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Aging Test Of Hot Air
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158.0ºC±1.0ºC/168h
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-
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Tensile Strength After Aging
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ASTM D2671
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≥7.3MPa
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Elongation At Break After Aging
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ASTM D2671
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≥100%
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Volume Resistivity
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ASTM D876
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≥1.0x1013Ω· cm
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Withstanding Voltage
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ASTM D2671
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2500V,60s,Without breakdown
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Water Absorption
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ASTM D570
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≤0.5%
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Thermal shock (applicable to outer layer only)
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-
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225ºC,4h,No breakage, no dripping
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Low-temperature resistance (applicable to outer layer only)
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ASTM D2671
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No breakage
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Solvent Resistance (diesel lubricating oil)
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-
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23ºC,24h,Excellent
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Specification
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Dimension before shrinkage(mm)
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Dimension after full contraction (mm)
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Minimum inner diameter
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Minimum inner diameter
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Total wall thickness
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5.75
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5.75
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1.25
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1.45±0.30
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7.40
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7.40
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1.65
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1.55±0.30
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|
11.0
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11.0
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2.40
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2.35±0.30
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14.0
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14.0
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3.00
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2.30±0.30
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18.3
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18.3
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4.35
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2.35±0.30
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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 shielding, 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, 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, ensuring their quality and safety.
We also specialize in producing customized products and developing solutions to meet specific customer requirements. Our production processes adhere to ISO9001 and IATF16949 quality management system standards, guaranteeing 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 dedicated to providing high-quality products to our customers.
We are based in Shanghai, China, and have been in operation 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 the quality of our products. To ensure this, we always provide a pre-production sample before mass production and conduct a final inspection before shipment.
At Shanghai Wellco International Limited, we offer a variety of products including heat shrink tubes, heat shrink mould parts, marking sleeves, and cold shrink tubes.
When it comes to purchasing insulation materials, there are several reasons why you should choose us:
We offer a range of services to meet your needs:
Suppliers with verified business licenses
Audited Supplier 
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